22021011022011 has 4 divisors (see below), whose sum is σ = 29361348029352. Its totient is φ = 14680674014672.

The previous prime is 22021011022001. The next prime is 22021011022019. The reversal of 22021011022011 is 11022011012022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22021011022011 - 2⁵ = 22021011021979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021011022019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670168503666 + ... + 3670168503671.

It is an arithmetic number, because the mean of its divisors is an integer number (7340337007338).

Almost surely, 2^{22021011022011} is an apocalyptic number.

22021011022011 is a deficient number, since it is larger than the sum of its proper divisors (7340337007341).

22021011022011 is an equidigital number, since it uses as much as digits as its factorization.

22021011022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340337007340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021011022011 its reverse (11022011012022), we get a palindrome (33043022034033).

The spelling of 22021011022011 in words is "twenty-two trillion, twenty-one billion, eleven million, twenty-two thousand, eleven".