122111102001101 has 4 divisors (see below), whose sum is σ = 122119803725532. Its totient is φ = 122102400276672.

The previous prime is 122111102001017. The next prime is 122111102001103. The reversal of 122111102001101 is 101100201111221.

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 39176658283876 + 82934443717225 = 6259126^2 + 9106835^2 .

It is a cyclic number.

It is not a de Polignac number, because 122111102001101 - 2²⁶ = 122111034892237 is a prime.

It is a super-2 number, since 2×122111102001101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122111102001103) 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, 4350841166 + ... + 4350869231.

It is an arithmetic number, because the mean of its divisors is an integer number (30529950931383).

Almost surely, 2^{122111102001101} is an apocalyptic number.

It is an amenable number.

122111102001101 is a deficient number, since it is larger than the sum of its proper divisors (8701724431).

122111102001101 is an equidigital number, since it uses as much as digits as its factorization.

122111102001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701724430.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 122111102001101 its reverse (101100201111221), we get a palindrome (223211303112322).

The spelling of 122111102001101 in words is "one hundred twenty-two trillion, one hundred eleven billion, one hundred two million, one thousand, one hundred one".