120102222211021 has 16 divisors (see below), whose sum is σ = 121285049960448. Its totient is φ = 118925877558400.

The previous prime is 120102222211009. The next prime is 120102222211039. The reversal of 120102222211021 is 120112222201021.

It is a cyclic number.

It is not a de Polignac number, because 120102222211021 - 2¹³ = 120102222202829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120102222211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102222011021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63211401 + ... + 65083681.

It is an arithmetic number, because the mean of its divisors is an integer number (7580315622528).

Almost surely, 2^{120102222211021} is an apocalyptic number.

It is an amenable number.

120102222211021 is a deficient number, since it is larger than the sum of its proper divisors (1182827749427).

120102222211021 is a wasteful number, since it uses less digits than its factorization.

120102222211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874012.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120102222211021 its reverse (120112222201021), we get a palindrome (240214444412042).

The spelling of 120102222211021 in words is "one hundred twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred eleven thousand, twenty-one".