122212100202111 has 12 divisors (see below), whose sum is σ = 177299456385480. Its totient is φ = 81118948604400.

The previous prime is 122212100202097. The next prime is 122212100202139. The reversal of 122212100202111 is 111202001212221.

122212100202111 is a `hidden beast` number, since 1 + 2 + 221 + 210 + 0 + 20 + 211 + 1 = 666.

It is not a de Polignac number, because 122212100202111 - 2⁹ = 122212100201599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212100202191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29648736465 + ... + 29648740586.

It is an arithmetic number, because the mean of its divisors is an integer number (14774954698790).

Almost surely, 2^{122212100202111} is an apocalyptic number.

122212100202111 is a deficient number, since it is larger than the sum of its proper divisors (55087356183369).

122212100202111 is a wasteful number, since it uses less digits than its factorization.

122212100202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59297477286 (or 59297477283 counting only the distinct ones).

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

Adding to 122212100202111 its reverse (111202001212221), we get a palindrome (233414101414332).

The spelling of 122212100202111 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred million, two hundred two thousand, one hundred eleven".