22021111102001 has 8 divisors (see below), whose sum is σ = 24023339638464. Its totient is φ = 20018934123120.

The previous prime is 22021111101989. The next prime is 22021111102019. The reversal of 22021111102001 is 10020111112022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021111102001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021111102901) 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, 11993621 + ... + 13707266.

It is an arithmetic number, because the mean of its divisors is an integer number (3002917454808).

Almost surely, 2^{22021111102001} is an apocalyptic number.

It is an amenable number.

22021111102001 is a deficient number, since it is larger than the sum of its proper divisors (2002228536463).

22021111102001 is a wasteful number, since it uses less digits than its factorization.

22021111102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778791.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22021111102001 its reverse (10020111112022), we get a palindrome (32041222214023).

The spelling of 22021111102001 in words is "twenty-two trillion, twenty-one billion, one hundred eleven million, one hundred two thousand, one".