111021021022 has 32 divisors (see below), whose sum is σ = 174850099200. Its totient is φ = 52768235520.

The previous prime is 111021020983. The next prime is 111021021037. The reversal of 111021021022 is 220120120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021020993 and 111021021011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8332638 + ... + 8345950.

It is an arithmetic number, because the mean of its divisors is an integer number (5464065600).

Almost surely, 2^111021021022 is an apocalyptic number.

111021021022 is a deficient number, since it is larger than the sum of its proper divisors (63829078178).

111021021022 is a wasteful number, since it uses less digits than its factorization.

111021021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14448.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111021021022 its reverse (220120120111), we get a palindrome (331141141133).

The spelling of 111021021022 in words is "one hundred eleven billion, twenty-one million, twenty-one thousand, twenty-two".