101421224131 has 4 divisors (see below), whose sum is σ = 101603309472. Its totient is φ = 101239138792.

The previous prime is 101421224119. The next prime is 101421224147. The reversal of 101421224131 is 131422124101.

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 101421224131 - 2⁹ = 101421223619 is a prime.

It is a super-2 number, since 2×101421224131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101421224111) 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, 91041835 + ... + 91042948.

It is an arithmetic number, because the mean of its divisors is an integer number (25400827368).

Almost surely, 2^101421224131 is an apocalyptic number.

101421224131 is a deficient number, since it is larger than the sum of its proper divisors (182085341).

101421224131 is an equidigital number, since it uses as much as digits as its factorization.

101421224131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182085340.

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

Adding to 101421224131 its reverse (131422124101), we get a palindrome (232843348232).

The spelling of 101421224131 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-four thousand, one hundred thirty-one".