122011011221101 has 4 divisors (see below), whose sum is σ = 122011192659292. Its totient is φ = 122010829782912.

The previous prime is 122011011221093. The next prime is 122011011221111. The reversal of 122011011221101 is 101122110110221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77507422668900 + 44503588552201 = 8803830^2 + 6671101^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011011221101 - 2³ = 122011011221093 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 (122011011221111) 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, 89706630 + ... + 91056583.

It is an arithmetic number, because the mean of its divisors is an integer number (30502798164823).

Almost surely, 2^{122011011221101} is an apocalyptic number.

It is an amenable number.

122011011221101 is a deficient number, since it is larger than the sum of its proper divisors (181438191).

122011011221101 is an equidigital number, since it uses as much as digits as its factorization.

122011011221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181438190.

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

Adding to 122011011221101 its reverse (101122110110221), we get a palindrome (223133121331322).

The spelling of 122011011221101 in words is "one hundred twenty-two trillion, eleven billion, eleven million, two hundred twenty-one thousand, one hundred one".