101200111120021 has 8 divisors (see below), whose sum is σ = 101234469772800. Its totient is φ = 101165757295680.

The previous prime is 101200111120013. The next prime is 101200111120027. The reversal of 101200111120021 is 120021111002101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101200111120021 - 2³ = 101200111120013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101200111119983 and 101200111120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200111120027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40968141 + ... + 43368061.

It is an arithmetic number, because the mean of its divisors is an integer number (12654308721600).

Almost surely, 2^{101200111120021} is an apocalyptic number.

It is an amenable number.

101200111120021 is a deficient number, since it is larger than the sum of its proper divisors (34358652779).

101200111120021 is a wasteful number, since it uses less digits than its factorization.

101200111120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414219.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101200111120021 its reverse (120021111002101), we get a palindrome (221221222122122).

The spelling of 101200111120021 in words is "one hundred one trillion, two hundred billion, one hundred eleven million, one hundred twenty thousand, twenty-one".