11011101220210 has 96 divisors (see below), whose sum is σ = 24530477028480. Its totient is φ = 3484459689984.

The previous prime is 11011101220169. The next prime is 11011101220247. The reversal of 11011101220210 is 1202210111011.

It is a happy number.

11011101220210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11011101220210³ (a number of 40 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123685474 + ... + 123774466.

It is an arithmetic number, because the mean of its divisors is an integer number (255525802380).

Almost surely, 2^{11011101220210} is an apocalyptic number.

11011101220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011101220210 is an abundant number, since it is smaller than the sum of its proper divisors (13519375808270).

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

11011101220210 is a wasteful number, since it uses less digits than its factorization.

11011101220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99492 (or 99479 counting only the distinct ones).

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

Adding to 11011101220210 its reverse (1202210111011), we get a palindrome (12213311331221).

The spelling of 11011101220210 in words is "eleven trillion, eleven billion, one hundred one million, two hundred twenty thousand, two hundred ten".