2112212111102 has 8 divisors (see below), whose sum is σ = 3193265554176. Its totient is φ = 1047790259712.

The previous prime is 2112212111069. The next prime is 2112212111161. The reversal of 2112212111102 is 2011112122112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112212111102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4157897603 + ... + 4157898110.

It is an arithmetic number, because the mean of its divisors is an integer number (399158194272).

Almost surely, 2^{2112212111102} is an apocalyptic number.

2112212111102 is a deficient number, since it is larger than the sum of its proper divisors (1081053443074).

2112212111102 is a wasteful number, since it uses less digits than its factorization.

2112212111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315795842.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2112212111102 its reverse (2011112122112), we get a palindrome (4123324233214).

The spelling of 2112212111102 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred eleven thousand, one hundred two".