200122122011 has 12 divisors (see below), whose sum is σ = 232802553240. Its totient is φ = 171527771520.

The previous prime is 200122121999. The next prime is 200122122019. The reversal of 200122122011 is 110221221002.

It is a de Polignac number, because none of the positive numbers 2^k-200122122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200122122019) 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, 2524700 + ... + 2602758.

It is an arithmetic number, because the mean of its divisors is an integer number (19400212770).

Almost surely, 2^200122122011 is an apocalyptic number.

200122122011 is a deficient number, since it is larger than the sum of its proper divisors (32680431229).

200122122011 is an equidigital number, since it uses as much as digits as its factorization.

200122122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130394 (or 130387 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200122122011 its reverse (110221221002), we get a palindrome (310343343013).

The spelling of 200122122011 in words is "two hundred billion, one hundred twenty-two million, one hundred twenty-two thousand, eleven".