120202112002021 has 4 divisors (see below), whose sum is σ = 137373842288032. Its totient is φ = 103030381716012.

The previous prime is 120202112002003. The next prime is 120202112002069. The reversal of 120202112002021 is 120200211202021.

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 120202112002021 - 2⁵ = 120202112001989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202112001986 and 120202112002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202112000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8585865142995 + ... + 8585865143008.

It is an arithmetic number, because the mean of its divisors is an integer number (34343460572008).

Almost surely, 2^{120202112002021} is an apocalyptic number.

It is an amenable number.

120202112002021 is a deficient number, since it is larger than the sum of its proper divisors (17171730286011).

120202112002021 is an equidigital number, since it uses as much as digits as its factorization.

120202112002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17171730286010.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120202112002021 its reverse (120200211202021), we get a palindrome (240402323204042).

The spelling of 120202112002021 in words is "one hundred twenty trillion, two hundred two billion, one hundred twelve million, two thousand, twenty-one".