121001022231311 has 16 divisors (see below), whose sum is σ = 130643085081600. Its totient is φ = 111725722778208.

The previous prime is 121001022231277. The next prime is 121001022231319. The reversal of 121001022231311 is 113132220100121.

It is a cyclic number.

It is not a de Polignac number, because 121001022231311 - 2²² = 121001018037007 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 (121001022231319) 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, 15755351 + ... + 22141208.

It is an arithmetic number, because the mean of its divisors is an integer number (8165192817600).

Almost surely, 2^{121001022231311} is an apocalyptic number.

121001022231311 is a deficient number, since it is larger than the sum of its proper divisors (9642062850289).

121001022231311 is a wasteful number, since it uses less digits than its factorization.

121001022231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37901398.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121001022231311 its reverse (113132220100121), we get a palindrome (234133242331432).

The spelling of 121001022231311 in words is "one hundred twenty-one trillion, one billion, twenty-two million, two hundred thirty-one thousand, three hundred eleven".