120201022221001 has 16 divisors (see below), whose sum is σ = 127816374591360. Its totient is φ = 112715207596800.

The previous prime is 120201022220957. The next prime is 120201022221029. The reversal of 120201022221001 is 100122220102021.

It is a happy number.

It is not a de Polignac number, because 120201022221001 - 2¹⁹ = 120201021696713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201022221101) 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, 2111376 + ... + 15648001.

It is an arithmetic number, because the mean of its divisors is an integer number (7988523411960).

Almost surely, 2^{120201022221001} is an apocalyptic number.

It is an amenable number.

120201022221001 is a deficient number, since it is larger than the sum of its proper divisors (7615352370359).

120201022221001 is a wasteful number, since it uses less digits than its factorization.

120201022221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17763024.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120201022221001 its reverse (100122220102021), we get a palindrome (220323242323022).

The spelling of 120201022221001 in words is "one hundred twenty trillion, two hundred one billion, twenty-two million, two hundred twenty-one thousand, one".