122200101100111 has 16 divisors (see below), whose sum is σ = 133850547714240. Its totient is φ = 111045486988800.

The previous prime is 122200101100067. The next prime is 122200101100117. The reversal of 122200101100111 is 111001101002221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122200101100111 - 2¹³ = 122200101091919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200101100091 and 122200101100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200101100117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232976830 + ... + 233500756.

It is an arithmetic number, because the mean of its divisors is an integer number (8365659232140).

Almost surely, 2^{122200101100111} is an apocalyptic number.

122200101100111 is a deficient number, since it is larger than the sum of its proper divisors (11650446614129).

122200101100111 is a wasteful number, since it uses less digits than its factorization.

122200101100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997074.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 122200101100111 its reverse (111001101002221), we get a palindrome (233201202102332).

The spelling of 122200101100111 in words is "one hundred twenty-two trillion, two hundred billion, one hundred one million, one hundred thousand, one hundred eleven".