101421422123 has 16 divisors (see below), whose sum is σ = 117668753664. Its totient is φ = 85614360480.

The previous prime is 101421422111. The next prime is 101421422147. The reversal of 101421422123 is 321224124101.

It is a cyclic number.

It is not a de Polignac number, because 101421422123 - 2⁴ = 101421422107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101421422023) 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, 2089793 + ... + 2137773.

It is an arithmetic number, because the mean of its divisors is an integer number (7354297104).

Almost surely, 2^101421422123 is an apocalyptic number.

101421422123 is a deficient number, since it is larger than the sum of its proper divisors (16247331541).

101421422123 is an equidigital number, since it uses as much as digits as its factorization.

101421422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52562.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 101421422123 its reverse (321224124101), we get a palindrome (422645546224).

The spelling of 101421422123 in words is "one hundred one billion, four hundred twenty-one million, four hundred twenty-two thousand, one hundred twenty-three".