111210202021222 has 32 divisors (see below), whose sum is σ = 169458190387200. Its totient is φ = 54728833723200.

The previous prime is 111210202021049. The next prime is 111210202021249. The reversal of 111210202021222 is 222120202012111.

It is a self number, because there is not a number n which added to its sum of digits gives 111210202021222.

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, 64009522 + ... + 65723962.

It is an arithmetic number, because the mean of its divisors is an integer number (5295568449600).

Almost surely, 2^{111210202021222} is an apocalyptic number.

111210202021222 is a deficient number, since it is larger than the sum of its proper divisors (58247988365978).

111210202021222 is a wasteful number, since it uses less digits than its factorization.

111210202021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715812.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111210202021222 its reverse (222120202012111), we get a palindrome (333330404033333).

The spelling of 111210202021222 in words is "one hundred eleven trillion, two hundred ten billion, two hundred two million, twenty-one thousand, two hundred twenty-two".