2212111200280 has 16 divisors (see below), whose sum is σ = 4977250200720. Its totient is φ = 884844480096.

The previous prime is 2212111200253. The next prime is 2212111200281. The reversal of 2212111200280 is 820021112122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212111200281) 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, 27651389964 + ... + 27651390043.

It is an arithmetic number, because the mean of its divisors is an integer number (311078137545).

Almost surely, 2^{2212111200280} is an apocalyptic number.

2212111200280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212111200280 is an abundant number, since it is smaller than the sum of its proper divisors (2765139000440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212111200280 is a wasteful number, since it uses less digits than its factorization.

2212111200280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55302780018 (or 55302780014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 2212111200280 in words is "two trillion, two hundred twelve billion, one hundred eleven million, two hundred thousand, two hundred eighty".