2130121032111 has 144 divisors (see below), whose sum is σ = 3560157619200. Its totient is φ = 1219595512320.

The previous prime is 2130121032029. The next prime is 2130121032121. The reversal of 2130121032111 is 1112301210312.

2130121032111 is a `hidden beast` number, since 2 + 130 + 1 + 210 + 321 + 1 + 1 = 666.

It is not a de Polignac number, because 2130121032111 - 2¹⁸ = 2130120769967 is a prime.

It is a super-2 number, since 2×2130121032111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130121032121) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 634151650 + ... + 634155008.

It is an arithmetic number, because the mean of its divisors is an integer number (24723316800).

Almost surely, 2^{2130121032111} is an apocalyptic number.

2130121032111 is a deficient number, since it is larger than the sum of its proper divisors (1430036587089).

2130121032111 is a wasteful number, since it uses less digits than its factorization.

2130121032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2130121032111 its reverse (1112301210312), we get a palindrome (3242422242423).

The spelling of 2130121032111 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, thirty-two thousand, one hundred eleven".