120401101104021 has 6 divisors (see below), whose sum is σ = 173912701594710. Its totient is φ = 80267400736008.

The previous prime is 120401101103989. The next prime is 120401101104059.

120401101104021 is a `hidden beast` number, since 1 + 2 + 0 + 40 + 110 + 110 + 402 + 1 = 666.

120401101104021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 97510904807121 + 22890196296900 = 9874761^2 + 4784370^2 .

It is not a de Polignac number, because 120401101104021 - 2⁵ = 120401101103989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120401101103985 and 120401101104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120401101154021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6688950061326 + ... + 6688950061343.

It is an arithmetic number, because the mean of its divisors is an integer number (28985450265785).

Almost surely, 2^{120401101104021} is an apocalyptic number.

It is an amenable number.

120401101104021 is a deficient number, since it is larger than the sum of its proper divisors (53511600490689).

120401101104021 is a wasteful number, since it uses less digits than its factorization.

120401101104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377900122675 (or 13377900122672 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

It can be divided in two parts, 12040110 and 1104021, that added together give a palindrome (13144131).

The spelling of 120401101104021 in words is "one hundred twenty trillion, four hundred one billion, one hundred one million, one hundred four thousand, twenty-one".