101121043104 has 36 divisors (see below), whose sum is σ = 287562967146. Its totient is φ = 33707014272.

The previous prime is 101121043099. The next prime is 101121043117. The reversal of 101121043104 is 401340121101.

101121043104 is a `hidden beast` number, since 10 + 11 + 210 + 431 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100963791504 + 157251600 = 317748^2 + 12540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175557079 + ... + 175557654.

Almost surely, 2^101121043104 is an apocalyptic number.

It is an amenable number.

101121043104 is an abundant number, since it is smaller than the sum of its proper divisors (186441924042).

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

101121043104 is a wasteful number, since it uses less digits than its factorization.

101121043104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351114749 (or 351114738 counting only the distinct ones).

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

Adding to 101121043104 its reverse (401340121101), we get a palindrome (502461164205).

The spelling of 101121043104 in words is "one hundred one billion, one hundred twenty-one million, forty-three thousand, one hundred four".