101222013123 has 120 divisors (see below), whose sum is σ = 190351093856. Its totient is φ = 52471203840.

The previous prime is 101222013089. The next prime is 101222013131. The reversal of 101222013123 is 321310222101.

It is not a de Polignac number, because 101222013123 - 2⁹ = 101222012611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101222013096 and 101222013105.

It is not an unprimeable number, because it can be changed into a prime (101222013523) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 39584961 + ... + 39587517.

Almost surely, 2^101222013123 is an apocalyptic number.

101222013123 is a deficient number, since it is larger than the sum of its proper divisors (89129080733).

101222013123 is a wasteful number, since it uses less digits than its factorization.

101222013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101222013123 its reverse (321310222101), we get a palindrome (422532235224).

The spelling of 101222013123 in words is "one hundred one billion, two hundred twenty-two million, thirteen thousand, one hundred twenty-three".