1111010122220 has 48 divisors (see below), whose sum is σ = 2356529868000. Its totient is φ = 439946419200.

The previous prime is 1111010122199. The next prime is 1111010122249. The reversal of 1111010122220 is 222210101111.

It is a junction number, because it is equal to n+sod(n) for n = 1111010122195 and 1111010122204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17520131 + ... + 17583429.

It is an arithmetic number, because the mean of its divisors is an integer number (49094372250).

Almost surely, 2^{1111010122220} is an apocalyptic number.

1111010122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111010122220 is an abundant number, since it is smaller than the sum of its proper divisors (1245519745780).

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

1111010122220 is a wasteful number, since it uses less digits than its factorization.

1111010122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72098 (or 72096 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1111010122220 its reverse (222210101111), we get a palindrome (1333220223331).

The spelling of 1111010122220 in words is "one trillion, one hundred eleven billion, ten million, one hundred twenty-two thousand, two hundred twenty".