122221211101 has 16 divisors (see below), whose sum is σ = 134679060288. Its totient is φ = 109988272000.

The previous prime is 122221211089. The next prime is 122221211117. The reversal of 122221211101 is 101112122221.

It is a cyclic number.

It is not a de Polignac number, because 122221211101 - 2⁹ = 122221210589 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 (122221211141) 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, 8777721 + ... + 8791633.

It is an arithmetic number, because the mean of its divisors is an integer number (8417441268).

Almost surely, 2^122221211101 is an apocalyptic number.

122221211101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122221211101 is a deficient number, since it is larger than the sum of its proper divisors (12457849187).

122221211101 is a wasteful number, since it uses less digits than its factorization.

122221211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21932.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122221211101 its reverse (101112122221), we get a palindrome (223333333322).

The spelling of 122221211101 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred one".