120220100120021 has 8 divisors (see below), whose sum is σ = 131153079657600. Its totient is φ = 109287767170240.

The previous prime is 120220100119991. The next prime is 120220100120027. The reversal of 120220100120021 is 120021001022021.

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 120220100120021 - 2⁴⁶ = 49851355942357 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120220100119978 and 120220100120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220100120027) 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, 161258141 + ... + 162001938.

It is an arithmetic number, because the mean of its divisors is an integer number (16394134957200).

Almost surely, 2^{120220100120021} is an apocalyptic number.

120220100120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120220100120021 is a deficient number, since it is larger than the sum of its proper divisors (10932979537579).

120220100120021 is a wasteful number, since it uses less digits than its factorization.

120220100120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323293899.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120220100120021 its reverse (120021001022021), we get a palindrome (240241101142042).

The spelling of 120220100120021 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred million, one hundred twenty thousand, twenty-one".