1010120011021 has 16 divisors (see below), whose sum is σ = 1135687956480. Its totient is φ = 890482486320.

The previous prime is 1010120011013. The next prime is 1010120011099. The reversal of 1010120011021 is 1201100210101.

It is a cyclic number.

It is not a de Polignac number, because 1010120011021 - 2³ = 1010120011013 is a prime.

It is a super-2 number, since 2×1010120011021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010120010989 and 1010120011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120011001) 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, 7616125 + ... + 7747618.

It is an arithmetic number, because the mean of its divisors is an integer number (70980497280).

Almost surely, 2^{1010120011021} is an apocalyptic number.

1010120011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010120011021 is a deficient number, since it is larger than the sum of its proper divisors (125567945459).

1010120011021 is a wasteful number, since it uses less digits than its factorization.

1010120011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363936.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010120011021 its reverse (1201100210101), we get a palindrome (2211220221122).

The spelling of 1010120011021 in words is "one trillion, ten billion, one hundred twenty million, eleven thousand, twenty-one".