11211220220110 has 16 divisors (see below), whose sum is σ = 20180319336576. Its totient is φ = 4484460767968.

The previous prime is 11211220220029. The next prime is 11211220220129. The reversal of 11211220220110 is 1102202211211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647934 + ... + 5013793.

It is an arithmetic number, because the mean of its divisors is an integer number (1261269958536).

Almost surely, 2^{11211220220110} is an apocalyptic number.

11211220220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211220220110 is a deficient number, since it is larger than the sum of its proper divisors (8969099116466).

11211220220110 is a wasteful number, since it uses less digits than its factorization.

11211220220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830027.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211220220110 its reverse (1102202211211), we get a palindrome (12313422431321).

The spelling of 11211220220110 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred ten".