20100202220111 has 32 divisors (see below), whose sum is σ = 22661892384768. Its totient is φ = 17688940980480.

The previous prime is 20100202220101. The next prime is 20100202220113. The reversal of 20100202220111 is 11102220200102.

It is a cyclic number.

It is not a de Polignac number, because 20100202220111 - 2²⁶ = 20100135111247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100202220113) 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, 261522890 + ... + 261599736.

It is an arithmetic number, because the mean of its divisors is an integer number (708184137024).

Almost surely, 2^{20100202220111} is an apocalyptic number.

20100202220111 is a deficient number, since it is larger than the sum of its proper divisors (2561690164657).

20100202220111 is a wasteful number, since it uses less digits than its factorization.

20100202220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79751.

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

Adding to 20100202220111 its reverse (11102220200102), we get a palindrome (31202422420213).

The spelling of 20100202220111 in words is "twenty trillion, one hundred billion, two hundred two million, two hundred twenty thousand, one hundred eleven".