20022002210111 has 4 divisors (see below), whose sum is σ = 21842184229224. Its totient is φ = 18201820191000.

The previous prime is 20022002210107. The next prime is 20022002210123. The reversal of 20022002210111 is 11101220022002.

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 20022002210111 - 2² = 20022002210107 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 (20022002710111) 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, 910091009540 + ... + 910091009561.

It is an arithmetic number, because the mean of its divisors is an integer number (5460546057306).

Almost surely, 2^{20022002210111} is an apocalyptic number.

20022002210111 is a deficient number, since it is larger than the sum of its proper divisors (1820182019113).

20022002210111 is a wasteful number, since it uses less digits than its factorization.

20022002210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820182019112.

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

Adding to 20022002210111 its reverse (11101220022002), we get a palindrome (31123222232113).

The spelling of 20022002210111 in words is "twenty trillion, twenty-two billion, two million, two hundred ten thousand, one hundred eleven".