101222211123 has 48 divisors (see below), whose sum is σ = 169257703680. Its totient is φ = 57684897600.

The previous prime is 101222211091. The next prime is 101222211229. The reversal of 101222211123 is 321112222101.

It is not a de Polignac number, because 101222211123 - 2⁵ = 101222211091 is a prime.

It is a super-2 number, since 2×101222211123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101222211096 and 101222211105.

It is not an unprimeable number, because it can be changed into a prime (101222212123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242388 + ... + 511073.

It is an arithmetic number, because the mean of its divisors is an integer number (3526202160).

Almost surely, 2^101222211123 is an apocalyptic number.

101222211123 is a deficient number, since it is larger than the sum of its proper divisors (68035492557).

101222211123 is a wasteful number, since it uses less digits than its factorization.

101222211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753560 (or 753557 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101222211123 its reverse (321112222101), we get a palindrome (422334433224).

The spelling of 101222211123 in words is "one hundred one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-three".