1010122021020 has 96 divisors (see below), whose sum is σ = 3372929215488. Its totient is φ = 220846551552.

The previous prime is 1010122021003. The next prime is 1010122021037. The reversal of 1010122021020 is 201202210101.

It is an interprime number because it is at equal distance from previous prime (1010122021003) and next prime (1010122021037).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010122020987 and 1010122021005.

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, 52274089 + ... + 52293408.

It is an arithmetic number, because the mean of its divisors is an integer number (35134679328).

Almost surely, 2^{1010122021020} is an apocalyptic number.

1010122021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010122021020 is an abundant number, since it is smaller than the sum of its proper divisors (2362807194468).

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

1010122021020 is a wasteful number, since it uses less digits than its factorization.

1010122021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104567539 (or 104567537 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010122021020 its reverse (201202210101), we get a palindrome (1211324231121).

The spelling of 1010122021020 in words is "one trillion, ten billion, one hundred twenty-two million, twenty-one thousand, twenty".