22120220102001 has 32 divisors (see below), whose sum is σ = 35216001054720. Its totient is φ = 12075609811584.

The previous prime is 22120220101879. The next prime is 22120220102051. The reversal of 22120220102001 is 10020102202122.

It is not a de Polignac number, because 22120220102001 - 2³⁷ = 21982781148529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22120220102051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27914295 + ... + 28695788.

It is an arithmetic number, because the mean of its divisors is an integer number (1100500032960).

Almost surely, 2^{22120220102001} is an apocalyptic number.

22120220102001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22120220102001 is a deficient number, since it is larger than the sum of its proper divisors (13095780952719).

22120220102001 is a wasteful number, since it uses less digits than its factorization.

22120220102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56610925.

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

Adding to 22120220102001 its reverse (10020102202122), we get a palindrome (32140322304123).

The spelling of 22120220102001 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty million, one hundred two thousand, one".