101123101200 has 120 divisors (see below), whose sum is σ = 353379319776. Its totient is φ = 24514688000.

The previous prime is 101123101171. The next prime is 101123101207. The reversal of 101123101200 is 2101321101.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (101123101207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3817221 + ... + 3843620.

Almost surely, 2^101123101200 is an apocalyptic number.

101123101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101123101200 is an abundant number, since it is smaller than the sum of its proper divisors (252256218576).

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

101123101200 is a wasteful number, since it uses less digits than its factorization.

101123101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660873 (or 7660862 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 101123101200 its reverse (2101321101), we get a palindrome (103224422301).

The spelling of 101123101200 in words is "one hundred one billion, one hundred twenty-three million, one hundred one thousand, two hundred".