122110101 has 12 divisors (see below), whose sum is σ = 181148812. Its totient is φ = 79206336.

The previous prime is 122110091. The next prime is 122110103. The reversal of 122110101 is 101011221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78747876 + 43362225 = 8874^2 + 6585^2 .

It is not a de Polignac number, because 122110101 - 2⁵ = 122110069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110103) 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, 183016 + ... + 183681.

Almost surely, 2^122110101 is an apocalyptic number.

It is an amenable number.

122110101 is a deficient number, since it is larger than the sum of its proper divisors (59038711).

122110101 is a wasteful number, since it uses less digits than its factorization.

122110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366740 (or 366737 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 122110101 is about 11050.3439312992. The cubic root of 122110101 is about 496.1167196804.

Adding to 122110101 its reverse (101011221), we get a palindrome (223121322).

It can be divided in two parts, 1221 and 10101, that multiplied together give a palindrome (12333321).

The spelling of 122110101 in words is "one hundred twenty-two million, one hundred ten thousand, one hundred one".