120022220100021 has 16 divisors (see below), whose sum is σ = 160992990182400. Its totient is φ = 79534355807088.

The previous prime is 120022220100017. The next prime is 120022220100031. The reversal of 120022220100021 is 120001022220021.

It is not a de Polignac number, because 120022220100021 - 2² = 120022220100017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022220100011) 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, 152619691 + ... + 153404088.

It is an arithmetic number, because the mean of its divisors is an integer number (10062061886400).

Almost surely, 2^{120022220100021} is an apocalyptic number.

It is an amenable number.

120022220100021 is a deficient number, since it is larger than the sum of its proper divisors (40970770082379).

120022220100021 is a wasteful number, since it uses less digits than its factorization.

120022220100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306024568.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120022220100021 its reverse (120001022220021), we get a palindrome (240023242320042).

The spelling of 120022220100021 in words is "one hundred twenty trillion, twenty-two billion, two hundred twenty million, one hundred thousand, twenty-one".