21120001111022 has 32 divisors (see below), whose sum is σ = 34652125347840. Its totient is φ = 9574413375520.

The previous prime is 21120001111019. The next prime is 21120001111063. The reversal of 21120001111022 is 22011110002112.

It is a junction number, because it is equal to n+sod(n) for n = 21120001110988 and 21120001111006.

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, 183958028 + ... + 184072800.

It is an arithmetic number, because the mean of its divisors is an integer number (1082878917120).

Almost surely, 2^{21120001111022} is an apocalyptic number.

21120001111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21120001111022 is a deficient number, since it is larger than the sum of its proper divisors (13532124236818).

21120001111022 is a wasteful number, since it uses less digits than its factorization.

21120001111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137008.

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

Adding to 21120001111022 its reverse (22011110002112), we get a palindrome (43131111113134).

The spelling of 21120001111022 in words is "twenty-one trillion, one hundred twenty billion, one million, one hundred eleven thousand, twenty-two".