122120521411 has 12 divisors (see below), whose sum is σ = 150414952968. Its totient is φ = 98517394752.

The previous prime is 122120521409. The next prime is 122120521463. The reversal of 122120521411 is 114125021221.

It is not a de Polignac number, because 122120521411 - 2¹ = 122120521409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122120522411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73300801 + ... + 73302466.

It is an arithmetic number, because the mean of its divisors is an integer number (12534579414).

Almost surely, 2^122120521411 is an apocalyptic number.

122120521411 is a deficient number, since it is larger than the sum of its proper divisors (28294431557).

122120521411 is a wasteful number, since it uses less digits than its factorization.

122120521411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146603298 (or 146603291 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 122120521411 its reverse (114125021221), we get a palindrome (236245542632).

The spelling of 122120521411 in words is "one hundred twenty-two billion, one hundred twenty million, five hundred twenty-one thousand, four hundred eleven".