120112101211021 has 4 divisors (see below), whose sum is σ = 120113163670752. Its totient is φ = 120111038751292.

The previous prime is 120112101211001. The next prime is 120112101211051.

120112101211021 is nontrivially palindromic in base 10.

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 120112101211021 - 2³³ = 120103511276429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120112101210986 and 120112101211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112101211001) 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, 531060271 + ... + 531286396.

It is an arithmetic number, because the mean of its divisors is an integer number (30028290917688).

Almost surely, 2^{120112101211021} is an apocalyptic number.

It is an amenable number.

120112101211021 is a deficient number, since it is larger than the sum of its proper divisors (1062459731).

120112101211021 is a wasteful number, since it uses less digits than its factorization.

120112101211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062459730.

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

It can be divided in two parts, 12011210 and 1211021, that added together give a palindrome (13222231).

The spelling of 120112101211021 in words is "one hundred twenty trillion, one hundred twelve billion, one hundred one million, two hundred eleven thousand, twenty-one".