11611402122 has 16 divisors (see below), whose sum is σ = 23227630272. Its totient is φ = 3869663040.

The previous prime is 11611402111. The next prime is 11611402141. The reversal of 11611402122 is 22120411611.

It is a super-2 number, since 2×11611402122² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169423 + ... + 227874.

It is an arithmetic number, because the mean of its divisors is an integer number (1451726892).

Almost surely, 2^11611402122 is an apocalyptic number.

11611402122 is an abundant number, since it is smaller than the sum of its proper divisors (11616228150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11611402122 is a wasteful number, since it uses less digits than its factorization.

11611402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402173.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11611402122 its reverse (22120411611), we get a palindrome (33731813733).

The spelling of 11611402122 in words is "eleven billion, six hundred eleven million, four hundred two thousand, one hundred twenty-two".