1010111221120 has 64 divisors (see below), whose sum is σ = 2541891754800. Its totient is φ = 382778984448.

The previous prime is 1010111221079. The next prime is 1010111221157. The reversal of 1010111221120 is 211221110101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1010111221120.

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, 41522019 + ... + 41546338.

Almost surely, 2^{1010111221120} is an apocalyptic number.

1010111221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010111221120 is an abundant number, since it is smaller than the sum of its proper divisors (1531780533680).

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

1010111221120 is an equidigital number, since it uses as much as digits as its factorization.

1010111221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83068395 (or 83068383 counting only the distinct ones).

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

Adding to 1010111221120 its reverse (211221110101), we get a palindrome (1221332331221).

The spelling of 1010111221120 in words is "one trillion, ten billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty".