120110211001021 has 4 divisors (see below), whose sum is σ = 120297007597312. Its totient is φ = 119923414404732.

The previous prime is 120110211000961. The next prime is 120110211001037. The reversal of 120110211001021 is 120100112011021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120110211001021 - 2¹³ = 120110210992829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120110211000992 and 120110211001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110211001321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93398297181 + ... + 93398298466.

It is an arithmetic number, because the mean of its divisors is an integer number (30074251899328).

Almost surely, 2^{120110211001021} is an apocalyptic number.

It is an amenable number.

120110211001021 is a deficient number, since it is larger than the sum of its proper divisors (186796596291).

120110211001021 is an equidigital number, since it uses as much as digits as its factorization.

120110211001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186796596290.

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

Adding to 120110211001021 its reverse (120100112011021), we get a palindrome (240210323012042).

The spelling of 120110211001021 in words is "one hundred twenty trillion, one hundred ten billion, two hundred eleven million, one thousand, twenty-one".