11101210122 has 64 divisors (see below), whose sum is σ = 23240131200. Its totient is φ = 3531939840.

The previous prime is 11101210097. The next prime is 11101210139. The reversal of 11101210122 is 22101210111.

It is a junction number, because it is equal to n+sod(n) for n = 11101210098 and 11101210107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2586154 + ... + 2590442.

It is an arithmetic number, because the mean of its divisors is an integer number (363127050).

Almost surely, 2^11101210122 is an apocalyptic number.

11101210122 is an abundant number, since it is smaller than the sum of its proper divisors (12138921078).

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

11101210122 is a wasteful number, since it uses less digits than its factorization.

11101210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11101210122 its reverse (22101210111), we get a palindrome (33202420233).

The spelling of 11101210122 in words is "eleven billion, one hundred one million, two hundred ten thousand, one hundred twenty-two".