122015101431 has 8 divisors (see below), whose sum is σ = 162760060144. Its totient is φ = 81306771840.

The previous prime is 122015101357. The next prime is 122015101447. The reversal of 122015101431 is 134101510221.

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

It is not a de Polignac number, because 122015101431 - 2¹⁰ = 122015100407 is a prime.

It is a super-2 number, since 2×122015101431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122015101398 and 122015101407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122015101231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9149506 + ... + 9162831.

It is an arithmetic number, because the mean of its divisors is an integer number (20345007518).

Almost surely, 2^122015101431 is an apocalyptic number.

122015101431 is a deficient number, since it is larger than the sum of its proper divisors (40744958713).

122015101431 is a wasteful number, since it uses less digits than its factorization.

122015101431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18314561.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 122015101431 its reverse (134101510221), we get a palindrome (256116611652).

It can be divided in two parts, 122015 and 101431, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 122015101431 in words is "one hundred twenty-two billion, fifteen million, one hundred one thousand, four hundred thirty-one".