20022222100211 has 4 divisors (see below), whose sum is σ = 21076023263400. Its totient is φ = 18968420937024.

The previous prime is 20022222100123. The next prime is 20022222100247. The reversal of 20022222100211 is 11200122222002.

It is a happy number.

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 20022222100211 - 2²⁶ = 20022154991347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022222100211.

It is not an unprimeable number, because it can be changed into a prime (20022222100511) 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, 526900581566 + ... + 526900581603.

It is an arithmetic number, because the mean of its divisors is an integer number (5269005815850).

Almost surely, 2^{20022222100211} is an apocalyptic number.

20022222100211 is a deficient number, since it is larger than the sum of its proper divisors (1053801163189).

20022222100211 is a wasteful number, since it uses less digits than its factorization.

20022222100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053801163188.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20022222100211 its reverse (11200122222002), we get a palindrome (31222344322213).

The spelling of 20022222100211 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, one hundred thousand, two hundred eleven".