20220211010021 has 12 divisors (see below), whose sum is σ = 22942473493632. Its totient is φ = 17789041941000.

The previous prime is 20220211009981. The next prime is 20220211010039. The reversal of 20220211010021 is 12001011202202.

It is a de Polignac number, because none of the positive numbers 2^k-20220211010021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220211009978 and 20220211010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220211010621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2695305635 + ... + 2695313136.

It is an arithmetic number, because the mean of its divisors is an integer number (1911872791136).

Almost surely, 2^{20220211010021} is an apocalyptic number.

It is an amenable number.

20220211010021 is a deficient number, since it is larger than the sum of its proper divisors (2722262483611).

20220211010021 is a wasteful number, since it uses less digits than its factorization.

20220211010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390618824 (or 5390618813 counting only the distinct ones).

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

Adding to 20220211010021 its reverse (12001011202202), we get a palindrome (32221222212223).

The spelling of 20220211010021 in words is "twenty trillion, two hundred twenty billion, two hundred eleven million, ten thousand, twenty-one".