111012212110102 has 4 divisors (see below), whose sum is σ = 166518318165156. Its totient is φ = 55506106055050.

The previous prime is 111012212110099. The next prime is 111012212110117. The reversal of 111012212110102 is 201011212210111.

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

It is a super-2 number, since 2×111012212110102² (a number of 29 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 as a sum of consecutive naturals, namely, 27753053027524 + ... + 27753053027527.

It is an arithmetic number, because the mean of its divisors is an integer number (41629579541289).

Almost surely, 2^{111012212110102} is an apocalyptic number.

111012212110102 is a deficient number, since it is larger than the sum of its proper divisors (55506106055054).

111012212110102 is an equidigital number, since it uses as much as digits as its factorization.

111012212110102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55506106055053.

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

Adding to 111012212110102 its reverse (201011212210111), we get a palindrome (312023424320213).

The spelling of 111012212110102 in words is "one hundred eleven trillion, twelve billion, two hundred twelve million, one hundred ten thousand, one hundred two".