2212111200331 has 4 divisors (see below), whose sum is σ = 2212114677552. Its totient is φ = 2212107723112.

The previous prime is 2212111200329. The next prime is 2212111200337. The reversal of 2212111200331 is 1330021112122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2212111200331 - 2¹ = 2212111200329 is a prime.

It is a super-2 number, since 2×2212111200331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212111200299 and 2212111200308.

It is not an unprimeable number, because it can be changed into a prime (2212111200337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481240 + ... + 2157733.

It is an arithmetic number, because the mean of its divisors is an integer number (553028669388).

Almost surely, 2^{2212111200331} is an apocalyptic number.

2212111200331 is a deficient number, since it is larger than the sum of its proper divisors (3477221).

2212111200331 is an equidigital number, since it uses as much as digits as its factorization.

2212111200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477220.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2212111200331 its reverse (1330021112122), we get a palindrome (3542132312453).

The spelling of 2212111200331 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, three hundred thirty-one".