11122211020120 has 64 divisors (see below), whose sum is σ = 25153344849600. Its totient is φ = 4426065477120.

The previous prime is 11122211020111. The next prime is 11122211020121. The reversal of 11122211020120 is 2102011222111.

It is a junction number, because it is equal to n+sod(n) for n = 11122211020094 and 11122211020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122211020121) 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, 286347661 + ... + 286386499.

It is an arithmetic number, because the mean of its divisors is an integer number (393021013275).

Almost surely, 2^{11122211020120} is an apocalyptic number.

11122211020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122211020120 is an abundant number, since it is smaller than the sum of its proper divisors (14031133829480).

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

11122211020120 is a wasteful number, since it uses less digits than its factorization.

11122211020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75388 (or 75384 counting only the distinct ones).

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

Adding to 11122211020120 its reverse (2102011222111), we get a palindrome (13224222242231).

The spelling of 11122211020120 in words is "eleven trillion, one hundred twenty-two billion, two hundred eleven million, twenty thousand, one hundred twenty".