1020002112200 has 48 divisors (see below), whose sum is σ = 2421962484480. Its totient is φ = 399319972160.

The previous prime is 1020002112191. The next prime is 1020002112209. The reversal of 1020002112200 is 22112000201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020002112191) and next prime (1020002112209).

It is a super-2 number, since 2×1020002112200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020002112209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54246032 + ... + 54264831.

It is an arithmetic number, because the mean of its divisors is an integer number (50457551760).

Almost surely, 2^{1020002112200} is an apocalyptic number.

1020002112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020002112200 is an abundant number, since it is smaller than the sum of its proper divisors (1401960372280).

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

1020002112200 is a wasteful number, since it uses less digits than its factorization.

1020002112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108510926 (or 108510917 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1020002112200 its reverse (22112000201), we get a palindrome (1042114112401).

The spelling of 1020002112200 in words is "one trillion, twenty billion, two million, one hundred twelve thousand, two hundred".