111221202001022 has 24 divisors (see below), whose sum is σ = 176371484539536. Its totient is φ = 52594884350784.

The previous prime is 111221202000973. The next prime is 111221202001031. The reversal of 111221202001022 is 220100202122111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129458858 + ... + 130315149.

It is an arithmetic number, because the mean of its divisors is an integer number (7348811855814).

Almost surely, 2^{111221202001022} is an apocalyptic number.

111221202001022 is a deficient number, since it is larger than the sum of its proper divisors (65150282538514).

111221202001022 is a wasteful number, since it uses less digits than its factorization.

111221202001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259774640 (or 259774621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111221202001022 its reverse (220100202122111), we get a palindrome (331321404123133).

The spelling of 111221202001022 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred two million, one thousand, twenty-two".