22012021022001 has 8 divisors (see below), whose sum is σ = 29367739178304. Its totient is φ = 14665491773520.

The previous prime is 22012021021993. The next prime is 22012021022041. The reversal of 22012021022001 is 10022012021022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22012021022001 - 2³ = 22012021021993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012021022041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297221365 + ... + 2297230946.

It is an arithmetic number, because the mean of its divisors is an integer number (3670967397288).

Almost surely, 2^{22012021022001} is an apocalyptic number.

It is an amenable number.

22012021022001 is a deficient number, since it is larger than the sum of its proper divisors (7355718156303).

22012021022001 is a wasteful number, since it uses less digits than its factorization.

22012021022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594453911.

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

Adding to 22012021022001 its reverse (10022012021022), we get a palindrome (32034033043023).

The spelling of 22012021022001 in words is "twenty-two trillion, twelve billion, twenty-one million, twenty-two thousand, one".