122221010101 has 4 divisors (see below), whose sum is σ = 122235766912. Its totient is φ = 122206253292.

The previous prime is 122221010059. The next prime is 122221010141. The reversal of 122221010101 is 101010122221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101010122221 = 109 ⋅926698369.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122221010101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122221010141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7365975 + ... + 7382548.

It is an arithmetic number, because the mean of its divisors is an integer number (30558941728).

Almost surely, 2^122221010101 is an apocalyptic number.

It is an amenable number.

122221010101 is a deficient number, since it is larger than the sum of its proper divisors (14756811).

122221010101 is an equidigital number, since it uses as much as digits as its factorization.

122221010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14756810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122221010101 its reverse (101010122221), we get a palindrome (223231132322).

The spelling of 122221010101 in words is "one hundred twenty-two billion, two hundred twenty-one million, ten thousand, one hundred one".