1022022121021 has 8 divisors (see below), whose sum is σ = 1114975253088. Its totient is φ = 929075994000.

The previous prime is 1022022120991. The next prime is 1022022121063. The reversal of 1022022121021 is 1201212202201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1022022121021 - 2⁷ = 1022022120893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022022120986 and 1022022121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022022121921) 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, 1443850 + ... + 2031931.

It is an arithmetic number, because the mean of its divisors is an integer number (139371906636).

Almost surely, 2^{1022022121021} is an apocalyptic number.

1022022121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022022121021 is a deficient number, since it is larger than the sum of its proper divisors (92953132067).

1022022121021 is a wasteful number, since it uses less digits than its factorization.

1022022121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502523.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022022121021 its reverse (1201212202201), we get a palindrome (2223234323222).

The spelling of 1022022121021 in words is "one trillion, twenty-two billion, twenty-two million, one hundred twenty-one thousand, twenty-one".