22021000002011 has 8 divisors (see below), whose sum is σ = 22025167266960. Its totient is φ = 22016833152768.

The previous prime is 22021000001983. The next prime is 22021000002041. The reversal of 22021000002011 is 11020000012022.

It is a happy number.

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-22021000002011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021000001983 and 22021000002001.

It is not an unprimeable number, because it can be changed into a prime (22021000002041) 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, 118237715 + ... + 118423811.

It is an arithmetic number, because the mean of its divisors is an integer number (2753145908370).

Almost surely, 2^{22021000002011} is an apocalyptic number.

22021000002011 is a deficient number, since it is larger than the sum of its proper divisors (4167264949).

22021000002011 is a wasteful number, since it uses less digits than its factorization.

22021000002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207853.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22021000002011 its reverse (11020000012022), we get a palindrome (33041000014033).

The spelling of 22021000002011 in words is "twenty-two trillion, twenty-one billion, two thousand, eleven".