22010120001 has 12 divisors (see below), whose sum is σ = 32817957120. Its totient is φ = 14200077240.

The previous prime is 22010119981. The next prime is 22010120003. The reversal of 22010120001 is 10002101022.

It is not a de Polignac number, because 22010120001 - 2⁹ = 22010119489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22010120003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39444381 + ... + 39444938.

It is an arithmetic number, because the mean of its divisors is an integer number (2734829760).

Almost surely, 2^22010120001 is an apocalyptic number.

It is an amenable number.

22010120001 is a deficient number, since it is larger than the sum of its proper divisors (10807837119).

22010120001 is a wasteful number, since it uses less digits than its factorization.

22010120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78889356 (or 78889353 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22010120001 its reverse (10002101022), we get a palindrome (32012221023).

The spelling of 22010120001 in words is "twenty-two billion, ten million, one hundred twenty thousand, one".