11100121220110 has 64 divisors (see below), whose sum is σ = 21867992677440. Its totient is φ = 4031969356800.

The previous prime is 11100121220101. The next prime is 11100121220147. The reversal of 11100121220110 is 1102212100111.

It is a happy number.

It is a super-2 number, since 2×11100121220110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 2188185 + ... + 5195035.

It is an arithmetic number, because the mean of its divisors is an integer number (341687385585).

Almost surely, 2^{11100121220110} is an apocalyptic number.

11100121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100121220110 is a deficient number, since it is larger than the sum of its proper divisors (10767871457330).

11100121220110 is a wasteful number, since it uses less digits than its factorization.

11100121220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007333.

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

Adding to 11100121220110 its reverse (1102212100111), we get a palindrome (12202333320221).

The spelling of 11100121220110 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".