1121010102121 has 32 divisors (see below), whose sum is σ = 1465919320320. Its totient is φ = 834779006208.

The previous prime is 1121010102119. The next prime is 1121010102139. The reversal of 1121010102121 is 1212010101211.

It is a happy number.

It is not a de Polignac number, because 1121010102121 - 2¹ = 1121010102119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1121010102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806611 + ... + 1700776.

It is an arithmetic number, because the mean of its divisors is an integer number (45809978760).

Almost surely, 2^{1121010102121} is an apocalyptic number.

It is an amenable number.

1121010102121 is a deficient number, since it is larger than the sum of its proper divisors (344909218199).

1121010102121 is an equidigital number, since it uses as much as digits as its factorization.

1121010102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507458 (or 2507424 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121010102121 its reverse (1212010101211), we get a palindrome (2333020203332).

The spelling of 1121010102121 in words is "one trillion, one hundred twenty-one billion, ten million, one hundred two thousand, one hundred twenty-one".