20022200012111 has 4 divisors (see below), whose sum is σ = 21842400013224. Its totient is φ = 18202000011000.

The previous prime is 20022200012053. The next prime is 20022200012137. The reversal of 20022200012111 is 11121000222002.

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 20022200012111 - 2⁶ = 20022200012047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022200012011) 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, 910100000540 + ... + 910100000561.

It is an arithmetic number, because the mean of its divisors is an integer number (5460600003306).

Almost surely, 2^{20022200012111} is an apocalyptic number.

20022200012111 is a deficient number, since it is larger than the sum of its proper divisors (1820200001113).

20022200012111 is a wasteful number, since it uses less digits than its factorization.

20022200012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820200001112.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20022200012111 its reverse (11121000222002), we get a palindrome (31143200234113).

The spelling of 20022200012111 in words is "twenty trillion, twenty-two billion, two hundred million, twelve thousand, one hundred eleven".