101223010121 has 64 divisors (see below), whose sum is σ = 114777907200. Its totient is φ = 88833024000.

The previous prime is 101223010117. The next prime is 101223010127. The reversal of 101223010121 is 121010322101.

It is not a de Polignac number, because 101223010121 - 2² = 101223010117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101223010096 and 101223010105.

It is not an unprimeable number, because it can be changed into a prime (101223010127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 423527120 + ... + 423527358.

It is an arithmetic number, because the mean of its divisors is an integer number (1793404800).

Almost surely, 2^101223010121 is an apocalyptic number.

It is an amenable number.

101223010121 is a deficient number, since it is larger than the sum of its proper divisors (13554897079).

101223010121 is a wasteful number, since it uses less digits than its factorization.

101223010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101223010121 its reverse (121010322101), we get a palindrome (222233332222).

The spelling of 101223010121 in words is "one hundred one billion, two hundred twenty-three million, ten thousand, one hundred twenty-one".