11211122110 has 32 divisors (see below), whose sum is σ = 20832150240. Its totient is φ = 4341378048.

The previous prime is 11211122101. The next prime is 11211122119. The reversal of 11211122110 is 1122111211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11211122101) and next prime (11211122119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211122119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66775 + ... + 163954.

It is an arithmetic number, because the mean of its divisors is an integer number (651004695).

Almost surely, 2^11211122110 is an apocalyptic number.

11211122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211122110 is a deficient number, since it is larger than the sum of its proper divisors (9621028130).

11211122110 is a wasteful number, since it uses less digits than its factorization.

11211122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230892.

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

Adding to 11211122110 its reverse (1122111211), we get a palindrome (12333233321).

The spelling of 11211122110 in words is "eleven billion, two hundred eleven million, one hundred twenty-two thousand, one hundred ten".