10101020022 has 48 divisors (see below), whose sum is σ = 22450886640. Its totient is φ = 3280262400.

The previous prime is 10101020021. The next prime is 10101020029. The reversal of 10101020022 is 22002010101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101019986 and 10101020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101020021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 536122 + ... + 554642.

It is an arithmetic number, because the mean of its divisors is an integer number (467726805).

Almost surely, 2^10101020022 is an apocalyptic number.

10101020022 is an abundant number, since it is smaller than the sum of its proper divisors (12349866618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101020022 is a wasteful number, since it uses less digits than its factorization.

10101020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19309 (or 19306 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10101020022 its reverse (22002010101), we get a palindrome (32103030123).

The spelling of 10101020022 in words is "ten billion, one hundred one million, twenty thousand, twenty-two".