2121200101131 has 16 divisors (see below), whose sum is σ = 2904869407488. Its totient is φ = 1375836386400.

The previous prime is 2121200101109. The next prime is 2121200101147. The reversal of 2121200101131 is 1311010021212.

It is not a de Polignac number, because 2121200101131 - 2⁷ = 2121200101003 is a prime.

It is a super-2 number, since 2×2121200101131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2121200101131.

It is not an unprimeable number, because it can be changed into a prime (2121200101331) 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, 1485546 + ... + 2539536.

It is an arithmetic number, because the mean of its divisors is an integer number (181554337968).

Almost surely, 2^{2121200101131} is an apocalyptic number.

2121200101131 is a deficient number, since it is larger than the sum of its proper divisors (783669306357).

2121200101131 is a wasteful number, since it uses less digits than its factorization.

2121200101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072162.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2121200101131 its reverse (1311010021212), we get a palindrome (3432210122343).

The spelling of 2121200101131 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred thirty-one".