111120010201220 has 12 divisors (see below), whose sum is σ = 233352021422604. Its totient is φ = 44448004080480.

The previous prime is 111120010201201. The next prime is 111120010201231. The reversal of 111120010201220 is 22102010021111.

It can be written as a sum of positive squares in 2 ways, for example, as 67317824105536 + 43802186095684 = 8204744^2 + 6618322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111120010201195 and 111120010201204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778000255011 + ... + 2778000255050.

It is an arithmetic number, because the mean of its divisors is an integer number (19446001785217).

Almost surely, 2^{111120010201220} is an apocalyptic number.

111120010201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120010201220 is an abundant number, since it is smaller than the sum of its proper divisors (122232011221384).

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

111120010201220 is a wasteful number, since it uses less digits than its factorization.

111120010201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5556000510070 (or 5556000510068 counting only the distinct ones).

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

Adding to 111120010201220 its reverse (22102010021111), we get a palindrome (133222020222331).

The spelling of 111120010201220 in words is "one hundred eleven trillion, one hundred twenty billion, ten million, two hundred one thousand, two hundred twenty".