101222031123 has 6 divisors (see below), whose sum is σ = 146209600524. Its totient is φ = 67481354076.

The previous prime is 101222031073. The next prime is 101222031133. The reversal of 101222031123 is 321130222101.

It is not a de Polignac number, because 101222031123 - 2¹⁴ = 101222014739 is a prime.

It is a super-2 number, since 2×101222031123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101222031096 and 101222031105.

It is not an unprimeable number, because it can be changed into a prime (101222031133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5623446165 + ... + 5623446182.

It is an arithmetic number, because the mean of its divisors is an integer number (24368266754).

Almost surely, 2^101222031123 is an apocalyptic number.

101222031123 is a deficient number, since it is larger than the sum of its proper divisors (44987569401).

101222031123 is a wasteful number, since it uses less digits than its factorization.

101222031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246892353 (or 11246892350 counting only the distinct ones).

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

Adding to 101222031123 its reverse (321130222101), we get a palindrome (422352253224).

The spelling of 101222031123 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, one hundred twenty-three".