111121111021102 has 32 divisors (see below), whose sum is σ = 206523489816000. Its totient is φ = 43664966396928.

The previous prime is 111121111021069. The next prime is 111121111021121. The reversal of 111121111021102 is 201120111121111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048817027 + ... + 2048871262.

It is an arithmetic number, because the mean of its divisors is an integer number (6453859056750).

Almost surely, 2^{111121111021102} is an apocalyptic number.

111121111021102 is a deficient number, since it is larger than the sum of its proper divisors (95402378794898).

111121111021102 is a wasteful number, since it uses less digits than its factorization.

111121111021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097688460.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111121111021102 its reverse (201120111121111), we get a palindrome (312241222142213).

The spelling of 111121111021102 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred eleven million, twenty-one thousand, one hundred two".