21130132131122 has 16 divisors (see below), whose sum is σ = 37065480948672. Its totient is φ = 8845171589520.

The previous prime is 21130132131107. The next prime is 21130132131133. The reversal of 21130132131122 is 22113123103112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17549943029 + ... + 17549944232.

It is an arithmetic number, because the mean of its divisors is an integer number (2316592559292).

Almost surely, 2^{21130132131122} is an apocalyptic number.

21130132131122 is a deficient number, since it is larger than the sum of its proper divisors (15935348817550).

21130132131122 is a wasteful number, since it uses less digits than its factorization.

21130132131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35099887313.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 21130132131122 its reverse (22113123103112), we get a palindrome (43243255234234).

The spelling of 21130132131122 in words is "twenty-one trillion, one hundred thirty billion, one hundred thirty-two million, one hundred thirty-one thousand, one hundred twenty-two".