20222201121111 has 32 divisors (see below), whose sum is σ = 32682613731840. Its totient is φ = 12255778785600.

The previous prime is 20222201121107. The next prime is 20222201121137. The reversal of 20222201121111 is 11112110222202.

20222201121111 is a `hidden beast` number, since 20 + 222 + 201 + 1 + 211 + 11 = 666.

It is not a de Polignac number, because 20222201121111 - 2² = 20222201121107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222201121211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52982646 + ... + 53362956.

It is an arithmetic number, because the mean of its divisors is an integer number (1021331679120).

Almost surely, 2^{20222201121111} is an apocalyptic number.

20222201121111 is a deficient number, since it is larger than the sum of its proper divisors (12460412610729).

20222201121111 is a wasteful number, since it uses less digits than its factorization.

20222201121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559364 (or 559358 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20222201121111 its reverse (11112110222202), we get a palindrome (31334311343313).

The spelling of 20222201121111 in words is "twenty trillion, two hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, one hundred eleven".