140122111431 has 16 divisors (see below), whose sum is σ = 197836708608. Its totient is φ = 87912086400.

The previous prime is 140122111421. The next prime is 140122111433. The reversal of 140122111431 is 134111221041.

It is not a de Polignac number, because 140122111431 - 2¹⁰ = 140122110407 is a prime.

It is a super-2 number, since 2×140122111431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140122111398 and 140122111407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140122111433) 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, 501816 + ... + 729426.

It is an arithmetic number, because the mean of its divisors is an integer number (12364794288).

Almost surely, 2^140122111431 is an apocalyptic number.

140122111431 is a deficient number, since it is larger than the sum of its proper divisors (57714597177).

140122111431 is a wasteful number, since it uses less digits than its factorization.

140122111431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239702.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 140122111431 its reverse (134111221041), we get a palindrome (274233332472).

The spelling of 140122111431 in words is "one hundred forty billion, one hundred twenty-two million, one hundred eleven thousand, four hundred thirty-one".