11101210122100 has 72 divisors (see below), whose sum is σ = 27590722080768. Its totient is φ = 3797872828800.

The previous prime is 11101210122043. The next prime is 11101210122251. The reversal of 11101210122100 is 122101210111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16877812 + ... + 17523211.

It is an arithmetic number, because the mean of its divisors is an integer number (383204473344).

Almost surely, 2^{11101210122100} is an apocalyptic number.

11101210122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101210122100 is an abundant number, since it is smaller than the sum of its proper divisors (16489511958668).

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

11101210122100 is a wasteful number, since it uses less digits than its factorization.

11101210122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401505 (or 34401498 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101210122100 its reverse (122101210111), we get a palindrome (11223311332211).

The spelling of 11101210122100 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred twenty-two thousand, one hundred".