120021010222211 has 4 divisors (see below), whose sum is σ = 137166868825392. Its totient is φ = 102875151619032.

The previous prime is 120021010222159. The next prime is 120021010222261. The reversal of 120021010222211 is 112222010120021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120021010222211 - 2¹⁰ = 120021010221187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120021010222211.

It is not an unprimeable number, because it can be changed into a prime (120021010222261) 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, 8572929301580 + ... + 8572929301593.

It is an arithmetic number, because the mean of its divisors is an integer number (34291717206348).

Almost surely, 2^{120021010222211} is an apocalyptic number.

120021010222211 is a deficient number, since it is larger than the sum of its proper divisors (17145858603181).

120021010222211 is an equidigital number, since it uses as much as digits as its factorization.

120021010222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145858603180.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120021010222211 its reverse (112222010120021), we get a palindrome (232243020342232).

The spelling of 120021010222211 in words is "one hundred twenty trillion, twenty-one billion, ten million, two hundred twenty-two thousand, two hundred eleven".