202221112111101 has 24 divisors (see below), whose sum is σ = 293717600510880. Its totient is φ = 134066213704800.

The previous prime is 202221112111049. The next prime is 202221112111153. The reversal of 202221112111101 is 101111211122202.

It is a happy number.

202221112111101 is a `hidden beast` number, since 20 + 222 + 111 + 211 + 1 + 101 = 666.

It is an interprime number because it is at equal distance from previous prime (202221112111049) and next prime (202221112111153).

It is not a de Polignac number, because 202221112111101 - 2⁷ = 202221112110973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202221112111901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71824446 + ... + 74586816.

It is an arithmetic number, because the mean of its divisors is an integer number (12238233354620).

Almost surely, 2^{202221112111101} is an apocalyptic number.

It is an amenable number.

202221112111101 is a deficient number, since it is larger than the sum of its proper divisors (91496488399779).

202221112111101 is a wasteful number, since it uses less digits than its factorization.

202221112111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807497 (or 2807494 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 202221112111101 its reverse (101111211122202), we get a palindrome (303332323233303).

The spelling of 202221112111101 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, one hundred one".