1210131101121 has 16 divisors (see below), whose sum is σ = 1651551168960. Its totient is φ = 787744359360.

The previous prime is 1210131101107. The next prime is 1210131101141. The reversal of 1210131101121 is 1211011310121.

It is not a de Polignac number, because 1210131101121 - 2¹⁵ = 1210131068353 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 1210131101121.

It is not an unprimeable number, because it can be changed into a prime (1210131101141) 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, 1064166 + ... + 1884863.

It is an arithmetic number, because the mean of its divisors is an integer number (103221948060).

Almost surely, 2^{1210131101121} is an apocalyptic number.

It is an amenable number.

1210131101121 is a deficient number, since it is larger than the sum of its proper divisors (441420067839).

1210131101121 is a wasteful number, since it uses less digits than its factorization.

1210131101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952256.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1210131101121 its reverse (1211011310121), we get a palindrome (2421142411242).

The spelling of 1210131101121 in words is "one trillion, two hundred ten billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-one".