2211112102 has 4 divisors (see below), whose sum is σ = 3316668156. Its totient is φ = 1105556050.

The previous prime is 2211112097. The next prime is 2211112121. The reversal of 2211112102 is 2012111122.

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

It is a super-2 number, since 2×2211112102² = 9778033455221716808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552778024 + ... + 552778027.

It is an arithmetic number, because the mean of its divisors is an integer number (829167039).

Almost surely, 2^2211112102 is an apocalyptic number.

2211112102 is a deficient number, since it is larger than the sum of its proper divisors (1105556054).

2211112102 is a wasteful number, since it uses less digits than its factorization.

2211112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105556053.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2211112102 is about 47022.4638018894. The cubic root of 2211112102 is about 1302.7775135512. Note that the first 3 decimals are identical.

Adding to 2211112102 its reverse (2012111122), we get a palindrome (4223223224).

The spelling of 2211112102 in words is "two billion, two hundred eleven million, one hundred twelve thousand, one hundred two".