142131102214121 has 32 divisors (see below), whose sum is σ = 151349280606720. Its totient is φ = 133095422160000.

The previous prime is 142131102214117. The next prime is 142131102214133. The reversal of 142131102214121 is 121412201131241.

It is a cyclic number.

It is not a de Polignac number, because 142131102214121 - 2² = 142131102214117 is a prime.

It is a super-2 number, since 2×142131102214121² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142131102214421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2317412426 + ... + 2317473756.

It is an arithmetic number, because the mean of its divisors is an integer number (4729665018960).

Almost surely, 2^{142131102214121} is an apocalyptic number.

It is an amenable number.

142131102214121 is a deficient number, since it is larger than the sum of its proper divisors (9218178392599).

142131102214121 is a wasteful number, since it uses less digits than its factorization.

142131102214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65285.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 142131102214121 its reverse (121412201131241), we get a palindrome (263543303345362).

The spelling of 142131102214121 in words is "one hundred forty-two trillion, one hundred thirty-one billion, one hundred two million, two hundred fourteen thousand, one hundred twenty-one".