11121010312220 has 24 divisors (see below), whose sum is σ = 23356685889600. Its totient is φ = 4447915699392.

The previous prime is 11121010312193. The next prime is 11121010312273. The reversal of 11121010312220 is 2221301012111.

It is a happy number.

11121010312220 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 3×11121010312220³ (a number of 40 digits) contains 333 as substring.

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, 30339860 + ... + 30704219.

It is an arithmetic number, because the mean of its divisors is an integer number (973195245400).

Almost surely, 2^{11121010312220} is an apocalyptic number.

11121010312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121010312220 is an abundant number, since it is smaller than the sum of its proper divisors (12235675577380).

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

11121010312220 is a wasteful number, since it uses less digits than its factorization.

11121010312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61053197 (or 61053195 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11121010312220 its reverse (2221301012111), we get a palindrome (13342311324331).

The spelling of 11121010312220 in words is "eleven trillion, one hundred twenty-one billion, ten million, three hundred twelve thousand, two hundred twenty".