10102022020021 has 32 divisors (see below), whose sum is σ = 11082426179328. Its totient is φ = 9170751882240.

The previous prime is 10102022019917. The next prime is 10102022020043. The reversal of 10102022020021 is 12002022020101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10102022020021 - 2¹⁷ = 10102021888949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102022019983 and 10102022020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102022020091) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 109161256 + ... + 109253758.

It is an arithmetic number, because the mean of its divisors is an integer number (346325818104).

Almost surely, 2^{10102022020021} is an apocalyptic number.

It is an amenable number.

10102022020021 is a deficient number, since it is larger than the sum of its proper divisors (980404159307).

10102022020021 is a wasteful number, since it uses less digits than its factorization.

10102022020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94621.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10102022020021 its reverse (12002022020101), we get a palindrome (22104044040122).

The spelling of 10102022020021 in words is "ten trillion, one hundred two billion, twenty-two million, twenty thousand, twenty-one".