1210132322121 has 4 divisors (see below), whose sum is σ = 1613509762832. Its totient is φ = 806754881412.

The previous prime is 1210132322117. The next prime is 1210132322141. The reversal of 1210132322121 is 1212232310121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1210132322121 - 2² = 1210132322117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210132322141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201688720351 + ... + 201688720356.

It is an arithmetic number, because the mean of its divisors is an integer number (403377440708).

Almost surely, 2^{1210132322121} is an apocalyptic number.

It is an amenable number.

1210132322121 is a deficient number, since it is larger than the sum of its proper divisors (403377440711).

1210132322121 is an equidigital number, since it uses as much as digits as its factorization.

1210132322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403377440710.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1210132322121 its reverse (1212232310121), we get a palindrome (2422364632242).

The spelling of 1210132322121 in words is "one trillion, two hundred ten billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".