1021425233020 has 48 divisors (see below), whose sum is σ = 2249615446848. Its totient is φ = 388822353920.

The previous prime is 1021425233009. The next prime is 1021425233021. The reversal of 1021425233020 is 203325241201.

It is a super-2 number, since 2×1021425233020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021425233021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545141 + ... + 5726380.

It is an arithmetic number, because the mean of its divisors is an integer number (46866988476).

Almost surely, 2^{1021425233020} is an apocalyptic number.

1021425233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021425233020 is an abundant number, since it is smaller than the sum of its proper divisors (1228190213828).

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

1021425233020 is a wasteful number, since it uses less digits than its factorization.

1021425233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271750 (or 11271748 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 1021425233020 in words is "one trillion, twenty-one billion, four hundred twenty-five million, two hundred thirty-three thousand, twenty".