1210022121021 has 32 divisors (see below), whose sum is σ = 1881162455040. Its totient is φ = 677481639744.

The previous prime is 1210022120977. The next prime is 1210022121043. The reversal of 1210022121021 is 1201212200121.

It is not a de Polignac number, because 1210022121021 - 2⁹ = 1210022120509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210022121221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95350 + ... + 1558568.

It is an arithmetic number, because the mean of its divisors is an integer number (58786326720).

Almost surely, 2^{1210022121021} is an apocalyptic number.

It is an amenable number.

1210022121021 is a deficient number, since it is larger than the sum of its proper divisors (671140334019).

1210022121021 is a wasteful number, since it uses less digits than its factorization.

1210022121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464025.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210022121021 its reverse (1201212200121), we get a palindrome (2411234321142).

The spelling of 1210022121021 in words is "one trillion, two hundred ten billion, twenty-two million, one hundred twenty-one thousand, twenty-one".