1021010000120 has 32 divisors (see below), whose sum is σ = 2506115455920. Its totient is φ = 371276363520.

The previous prime is 1021010000111. The next prime is 1021010000123. The reversal of 1021010000120 is 210000101201.

It is a super-3 number, since 3×1021010000120³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a junction number, because it is equal to n+sod(n) for n = 1021010000098 and 1021010000107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021010000123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160238197 + ... + 1160239076.

Almost surely, 2^{1021010000120} is an apocalyptic number.

1021010000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021010000120 is an abundant number, since it is smaller than the sum of its proper divisors (1485105455800).

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

1021010000120 is a wasteful number, since it uses less digits than its factorization.

1021010000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320477295 (or 2320477291 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021010000120 its reverse (210000101201), we get a palindrome (1231010101321).

The spelling of 1021010000120 in words is "one trillion, twenty-one billion, ten million, one hundred twenty", and thus it is an aban number.