1022120012021 has 16 divisors (see below), whose sum is σ = 1056688742400. Its totient is φ = 987652310400.

The previous prime is 1022120011999. The next prime is 1022120012057. The reversal of 1022120012021 is 1202100212201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022120012021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022120011987 and 1022120012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120012321) 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, 58770995 + ... + 58788383.

It is an arithmetic number, because the mean of its divisors is an integer number (66043046400).

Almost surely, 2^{1022120012021} is an apocalyptic number.

It is an amenable number.

1022120012021 is a deficient number, since it is larger than the sum of its proper divisors (34568730379).

1022120012021 is a wasteful number, since it uses less digits than its factorization.

1022120012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20180.

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

Adding to 1022120012021 its reverse (1202100212201), we get a palindrome (2224220224222).

The spelling of 1022120012021 in words is "one trillion, twenty-two billion, one hundred twenty million, twelve thousand, twenty-one".