122001111001011 has 32 divisors (see below), whose sum is σ = 177658085449728. Its totient is φ = 73855938068640.

The previous prime is 122001111001001. The next prime is 122001111001043. The reversal of 122001111001011 is 110100111100221.

It is not a de Polignac number, because 122001111001011 - 2⁷ = 122001111000883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122001111001001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1160282506 + ... + 1160387648.

It is an arithmetic number, because the mean of its divisors is an integer number (5551815170304).

Almost surely, 2^{122001111001011} is an apocalyptic number.

122001111001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122001111001011 is a deficient number, since it is larger than the sum of its proper divisors (55656974448717).

122001111001011 is a wasteful number, since it uses less digits than its factorization.

122001111001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144831.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 122001111001011 its reverse (110100111100221), we get a palindrome (232101222101232).

The spelling of 122001111001011 in words is "one hundred twenty-two trillion, one billion, one hundred eleven million, one thousand, eleven".