1012102221120 has 56 divisors (see below), whose sum is σ = 3213424555104. Its totient is φ = 269893925376.

The previous prime is 1012102221113. The next prime is 1012102221121. The reversal of 1012102221120 is 211222012101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012102221120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012102221121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527135614 + ... + 527137533.

Almost surely, 2^{1012102221120} is an apocalyptic number.

1012102221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012102221120 is an abundant number, since it is smaller than the sum of its proper divisors (2201322333984).

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

1012102221120 is a wasteful number, since it uses less digits than its factorization.

1012102221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054273167 (or 1054273157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012102221120 its reverse (211222012101), we get a palindrome (1223324233221).

The spelling of 1012102221120 in words is "one trillion, twelve billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty".