20210111020022 has 64 divisors (see below), whose sum is σ = 39159781724160. Its totient is φ = 7591739126400.

The previous prime is 20210111019997. The next prime is 20210111020079. The reversal of 20210111020022 is 22002011101202.

It is a super-2 number, since 2×20210111020022² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20210111019979 and 20210111020006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6584513 + ... + 9152924.

It is an arithmetic number, because the mean of its divisors is an integer number (611871589440).

Almost surely, 2^{20210111020022} is an apocalyptic number.

20210111020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20210111020022 is a deficient number, since it is larger than the sum of its proper divisors (18949670704138).

20210111020022 is a wasteful number, since it uses less digits than its factorization.

20210111020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15737757.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210111020022 its reverse (22002011101202), we get a palindrome (42212122121224).

The spelling of 20210111020022 in words is "twenty trillion, two hundred ten billion, one hundred eleven million, twenty thousand, twenty-two".