111022120111210 has 128 divisors (see below), whose sum is σ = 254658725798400. Its totient is φ = 34546712256000.

The previous prime is 111022120111103. The next prime is 111022120111211. The reversal of 111022120111210 is 12111021220111.

It is a super-2 number, since 2×111022120111210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111022120111211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20227692 + ... + 25123768.

It is an arithmetic number, because the mean of its divisors is an integer number (1989521295300).

Almost surely, 2^{111022120111210} is an apocalyptic number.

111022120111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111022120111210 is an abundant number, since it is smaller than the sum of its proper divisors (143636605687190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111022120111210 is a wasteful number, since it uses less digits than its factorization.

111022120111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896717 (or 4896703 counting only the distinct ones).

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

Adding to 111022120111210 its reverse (12111021220111), we get a palindrome (123133141331321).

The spelling of 111022120111210 in words is "one hundred eleven trillion, twenty-two billion, one hundred twenty million, one hundred eleven thousand, two hundred ten".