11112211101010 has 128 divisors (see below), whose sum is σ = 21927321561600. Its totient is φ = 4038858768384.

The previous prime is 11112211100983. The next prime is 11112211101059. The reversal of 11112211101010 is 1010111221111.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 113748666 + ... + 113846314.

It is an arithmetic number, because the mean of its divisors is an integer number (171307199700).

Almost surely, 2^{11112211101010} is an apocalyptic number.

11112211101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112211101010 is a deficient number, since it is larger than the sum of its proper divisors (10815110460590).

11112211101010 is a wasteful number, since it uses less digits than its factorization.

11112211101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97940.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11112211101010 its reverse (1010111221111), we get a palindrome (12122322322121).

The spelling of 11112211101010 in words is "eleven trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, ten".