120021002221222 has 4 divisors (see below), whose sum is σ = 180031503331836. Its totient is φ = 60010501110610.

The previous prime is 120021002221199. The next prime is 120021002221259. The reversal of 120021002221222 is 222122200120021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120021002221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30005250555304 + ... + 30005250555307.

It is an arithmetic number, because the mean of its divisors is an integer number (45007875832959).

Almost surely, 2^{120021002221222} is an apocalyptic number.

120021002221222 is a deficient number, since it is larger than the sum of its proper divisors (60010501110614).

120021002221222 is an equidigital number, since it uses as much as digits as its factorization.

120021002221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60010501110613.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 120021002221222 its reverse (222122200120021), we get a palindrome (342143202341243).

The spelling of 120021002221222 in words is "one hundred twenty trillion, twenty-one billion, two million, two hundred twenty-one thousand, two hundred twenty-two".