1021010022 has 20 divisors (see below), whose sum is σ = 2287819116. Its totient is φ = 340336620.

The previous prime is 1021009993. The next prime is 1021010041. The reversal of 1021010022 is 2200101201.

It is a super-2 number, since 2×1021010022² = 2084922930048880968, which contains 22 as substring.

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 = 1021009986 and 1021010013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3151104 + ... + 3151427.

Almost surely, 2^1021010022 is an apocalyptic number.

1021010022 is an abundant number, since it is smaller than the sum of its proper divisors (1266809094).

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

1021010022 is an equidigital number, since it uses as much as digits as its factorization.

1021010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302545 (or 6302536 counting only the distinct ones).

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

The square root of 1021010022 is about 31953.2474405967. The cubic root of 1021010022 is about 1006.9548584746.

Adding to 1021010022 its reverse (2200101201), we get a palindrome (3221111223).

The spelling of 1021010022 in words is "one billion, twenty-one million, ten thousand, twenty-two".