1002112010220 has 96 divisors (see below), whose sum is σ = 2967592078080. Its totient is φ = 251965244160.

The previous prime is 1002112010197. The next prime is 1002112010257. The reversal of 1002112010220 is 220102112001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1002112010196 and 1002112010205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842507 + ... + 2323586.

It is an arithmetic number, because the mean of its divisors is an integer number (30912417480).

Almost surely, 2^{1002112010220} is an apocalyptic number.

1002112010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002112010220 is an abundant number, since it is smaller than the sum of its proper divisors (1965480067860).

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

1002112010220 is a wasteful number, since it uses less digits than its factorization.

1002112010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166335 (or 4166333 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002112010220 its reverse (220102112001), we get a palindrome (1222214122221).

The spelling of 1002112010220 in words is "one trillion, two billion, one hundred twelve million, ten thousand, two hundred twenty".