22010021021211 has 4 divisors (see below), whose sum is σ = 29346694694952. Its totient is φ = 14673347347472.

The previous prime is 22010021021179. The next prime is 22010021021231. The reversal of 22010021021211 is 11212012001022.

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 22010021021211 - 2⁵ = 22010021021179 is a prime.

It is a super-2 number, since 2×22010021021211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22010021021231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668336836866 + ... + 3668336836871.

It is an arithmetic number, because the mean of its divisors is an integer number (7336673673738).

Almost surely, 2^{22010021021211} is an apocalyptic number.

22010021021211 is a deficient number, since it is larger than the sum of its proper divisors (7336673673741).

22010021021211 is an equidigital number, since it uses as much as digits as its factorization.

22010021021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336673673740.

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

Adding to 22010021021211 its reverse (11212012001022), we get a palindrome (33222033022233).

The spelling of 22010021021211 in words is "twenty-two trillion, ten billion, twenty-one million, twenty-one thousand, two hundred eleven".