101421022534534 has 4 divisors (see below), whose sum is σ = 152131533801804. Its totient is φ = 50710511267266.

The previous prime is 101421022534511. The next prime is 101421022534549. The reversal of 101421022534534 is 435435220124101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101421022534493 and 101421022534502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25355255633632 + ... + 25355255633635.

It is an arithmetic number, because the mean of its divisors is an integer number (38032883450451).

Almost surely, 2^{101421022534534} is an apocalyptic number.

101421022534534 is a deficient number, since it is larger than the sum of its proper divisors (50710511267270).

101421022534534 is an equidigital number, since it uses as much as digits as its factorization.

101421022534534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50710511267269.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 101421022534534 its reverse (435435220124101), we get a palindrome (536856242658635).

The spelling of 101421022534534 in words is "one hundred one trillion, four hundred twenty-one billion, twenty-two million, five hundred thirty-four thousand, five hundred thirty-four".