101121422431 has 4 divisors (see below), whose sum is σ = 101133424864. Its totient is φ = 101109420000.

The previous prime is 101121422411. The next prime is 101121422533. The reversal of 101121422431 is 134224121101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101121422431 - 2²⁵ = 101087867999 is a prime.

It is a super-2 number, since 2×101121422431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121422411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5988570 + ... + 6005431.

It is an arithmetic number, because the mean of its divisors is an integer number (25283356216).

Almost surely, 2^101121422431 is an apocalyptic number.

101121422431 is a deficient number, since it is larger than the sum of its proper divisors (12002433).

101121422431 is an equidigital number, since it uses as much as digits as its factorization.

101121422431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002432.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 101121422431 its reverse (134224121101), we get a palindrome (235345543532).

The spelling of 101121422431 in words is "one hundred one billion, one hundred twenty-one million, four hundred twenty-two thousand, four hundred thirty-one".