101421123120 has 60 divisors (see below), whose sum is σ = 340605940896. Its totient is φ = 27045632640.

The previous prime is 101421123079. The next prime is 101421123211. The reversal of 101421123120 is 21321124101.

101421123120 is a `hidden beast` number, since 1 + 0 + 1 + 421 + 123 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a junction number, because it is equal to n+sod(n) for n = 101421123093 and 101421123102.

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, 70430616 + ... + 70432055.

Almost surely, 2^101421123120 is an apocalyptic number.

101421123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421123120 is an abundant number, since it is smaller than the sum of its proper divisors (239184817776).

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

101421123120 is a wasteful number, since it uses less digits than its factorization.

101421123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140862690 (or 140862681 counting only the distinct ones).

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

Adding to 101421123120 its reverse (21321124101), we get a palindrome (122742247221).

The spelling of 101421123120 in words is "one hundred one billion, four hundred twenty-one million, one hundred twenty-three thousand, one hundred twenty".