101123221104 has 60 divisors (see below), whose sum is σ = 283775848096. Its totient is φ = 33615876096.

The previous prime is 101123221099. The next prime is 101123221123. The reversal of 101123221104 is 401122321101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 903889 + ... + 1009584.

Almost surely, 2^101123221104 is an apocalyptic number.

It is an amenable number.

101123221104 is an abundant number, since it is smaller than the sum of its proper divisors (182652626992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101123221104 is a wasteful number, since it uses less digits than its factorization.

101123221104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913854 (or 1913845 counting only the distinct ones).

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

Adding to 101123221104 its reverse (401122321101), we get a palindrome (502245542205).

The spelling of 101123221104 in words is "one hundred one billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred four".