1012022012021 has 16 divisors (see below), whose sum is σ = 1025356060800. Its totient is φ = 998755560000.

The previous prime is 1012022011997. The next prime is 1012022012041. The reversal of 1012022012021 is 1202102202101.

It is a cyclic number.

It is not a de Polignac number, because 1012022012021 - 2¹⁰ = 1012022010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012022011987 and 1012022012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012022012041) 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, 102209171 + ... + 102219071.

It is an arithmetic number, because the mean of its divisors is an integer number (64084753800).

Almost surely, 2^{1012022012021} is an apocalyptic number.

It is an amenable number.

1012022012021 is a deficient number, since it is larger than the sum of its proper divisors (13334048779).

1012022012021 is a wasteful number, since it uses less digits than its factorization.

1012022012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13180.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012022012021 its reverse (1202102202101), we get a palindrome (2214124214122).

The spelling of 1012022012021 in words is "one trillion, twelve billion, twenty-two million, twelve thousand, twenty-one".