1010021022020 has 48 divisors (see below), whose sum is σ = 2199519049728. Its totient is φ = 389272832640.

The previous prime is 1010021021963. The next prime is 1010021022037. The reversal of 1010021022020 is 202201200101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1010021021992 and 1010021022010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6549476 + ... + 6701915.

It is an arithmetic number, because the mean of its divisors is an integer number (45823313536).

Almost surely, 2^{1010021022020} is an apocalyptic number.

1010021022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010021022020 is an abundant number, since it is smaller than the sum of its proper divisors (1189498027708).

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

1010021022020 is a wasteful number, since it uses less digits than its factorization.

1010021022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251540 (or 13251538 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010021022020 its reverse (202201200101), we get a palindrome (1212222222121).

The spelling of 1010021022020 in words is "one trillion, ten billion, twenty-one million, twenty-two thousand, twenty".