111021220010102 has 16 divisors (see below), whose sum is σ = 166570761960960. Its totient is φ = 55497633525288.

The previous prime is 111021220010101. The next prime is 111021220010137. The reversal of 111021220010102 is 201010022120111.

It is a super-2 number, since 2×111021220010102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021220010101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288649523 + ... + 289033889.

It is an arithmetic number, because the mean of its divisors is an integer number (10410672622560).

Almost surely, 2^{111021220010102} is an apocalyptic number.

111021220010102 is a deficient number, since it is larger than the sum of its proper divisors (55549541950858).

111021220010102 is a wasteful number, since it uses less digits than its factorization.

111021220010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417755.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021220010102 its reverse (201010022120111), we get a palindrome (312031242130213).

The spelling of 111021220010102 in words is "one hundred eleven trillion, twenty-one billion, two hundred twenty million, ten thousand, one hundred two".