120100121201021 has 8 divisors (see below), whose sum is σ = 129339427072800. Its totient is φ = 110860934616432.

The previous prime is 120100121201017. The next prime is 120100121201023. The reversal of 120100121201021 is 120102121001021.

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

It is not a de Polignac number, because 120100121201021 - 2² = 120100121201017 is a prime.

It is a super-2 number, since 2×120100121201021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100121200987 and 120100121201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100121201023) 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, 27725255 + ... + 31763028.

It is an arithmetic number, because the mean of its divisors is an integer number (16167428384100).

Almost surely, 2^{120100121201021} is an apocalyptic number.

It is an amenable number.

120100121201021 is a deficient number, since it is larger than the sum of its proper divisors (9239305871779).

120100121201021 is a wasteful number, since it uses less digits than its factorization.

120100121201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59643595.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120100121201021 its reverse (120102121001021), we get a palindrome (240202242202042).

The spelling of 120100121201021 in words is "one hundred twenty trillion, one hundred billion, one hundred twenty-one million, two hundred one thousand, twenty-one".