2131404400122 has 8 divisors (see below), whose sum is σ = 4262808800256. Its totient is φ = 710468133372.

The previous prime is 2131404400091. The next prime is 2131404400141. The reversal of 2131404400122 is 2210044041312.

It is a sphenic number, since it is the product of 3 distinct primes.

2131404400122 is an admirable number.

It is a super-2 number, since 2×2131404400122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131404400092 and 2131404400101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177617033338 + ... + 177617033349.

It is an arithmetic number, because the mean of its divisors is an integer number (532851100032).

Almost surely, 2^{2131404400122} is an apocalyptic number.

2131404400122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131404400122 is a wasteful number, since it uses less digits than its factorization.

2131404400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355234066692.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2131404400122 its reverse (2210044041312), we get a palindrome (4341448441434).

The spelling of 2131404400122 in words is "two trillion, one hundred thirty-one billion, four hundred four million, four hundred thousand, one hundred twenty-two".