1002110222121 has 16 divisors (see below), whose sum is σ = 1358830057920. Its totient is φ = 656732543040.

The previous prime is 1002110222083. The next prime is 1002110222137. The reversal of 1002110222121 is 1212220112001.

It is not a de Polignac number, because 1002110222121 - 2²⁹ = 1001573351209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002110222121.

It is not an unprimeable number, because it can be changed into a prime (1002110222161) 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, 11394111 + ... + 11481723.

It is an arithmetic number, because the mean of its divisors is an integer number (84926878620).

Almost surely, 2^{1002110222121} is an apocalyptic number.

It is an amenable number.

1002110222121 is a deficient number, since it is larger than the sum of its proper divisors (356719835799).

1002110222121 is an equidigital number, since it uses as much as digits as its factorization.

1002110222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152296.

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

Adding to 1002110222121 its reverse (1212220112001), we get a palindrome (2214330334122).

The spelling of 1002110222121 in words is "one trillion, two billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".