1021012202320 has 80 divisors (see below), whose sum is σ = 2610049517568. Its totient is φ = 368353681920.

The previous prime is 1021012202317. The next prime is 1021012202339. The reversal of 1021012202320 is 232022101201.

It is a happy number.

1021012202320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1021012202320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1021012202294 and 1021012202303.

It is a congruent number.

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, 4456119 + ... + 4679638.

Almost surely, 2^{1021012202320} is an apocalyptic number.

1021012202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021012202320 is an abundant number, since it is smaller than the sum of its proper divisors (1589037315248).

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

1021012202320 is a wasteful number, since it uses less digits than its factorization.

1021012202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135908 (or 9135902 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1021012202320 its reverse (232022101201), we get a palindrome (1253034303521).

The spelling of 1021012202320 in words is "one trillion, twenty-one billion, twelve million, two hundred two thousand, three hundred twenty".