120721700022 has 64 divisors (see below), whose sum is σ = 302048054784. Its totient is φ = 31249232640.

The previous prime is 120721700017. The next prime is 120721700039. The reversal of 120721700022 is 220007127021.

It is a junction number, because it is equal to n+sod(n) for n = 120721699965 and 120721700001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310543 + ... + 581274.

It is an arithmetic number, because the mean of its divisors is an integer number (4719500856).

Almost surely, 2^120721700022 is an apocalyptic number.

120721700022 is an abundant number, since it is smaller than the sum of its proper divisors (181326354762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120721700022 is a wasteful number, since it uses less digits than its factorization.

120721700022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892133.

The product of its (nonzero) digits is 784, while the sum is 24.

Adding to 120721700022 its reverse (220007127021), we get a palindrome (340728827043).

The spelling of 120721700022 in words is "one hundred twenty billion, seven hundred twenty-one million, seven hundred thousand, twenty-two".