122121333311 has 6 divisors (see below), whose sum is σ = 126477624312. Its totient is φ = 117910252040.

The previous prime is 122121333287. The next prime is 122121333329. The reversal of 122121333311 is 113333121221.

It is not a de Polignac number, because 122121333311 - 2²² = 122117139007 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 (122121333361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72603995 + ... + 72605676.

It is an arithmetic number, because the mean of its divisors is an integer number (21079604052).

Almost surely, 2^122121333311 is an apocalyptic number.

122121333311 is a deficient number, since it is larger than the sum of its proper divisors (4356291001).

122121333311 is an equidigital number, since it uses as much as digits as its factorization.

122121333311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145209729 (or 145209700 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 122121333311 its reverse (113333121221), we get a palindrome (235454454532).

The spelling of 122121333311 in words is "one hundred twenty-two billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred eleven".