2112223100202 has 72 divisors (see below), whose sum is σ = 4641933156588. Its totient is φ = 694079040000.

The previous prime is 2112223100201. The next prime is 2112223100219. The reversal of 2112223100202 is 2020013222112.

2112223100202 is a `hidden beast` number, since 211 + 22 + 231 + 0 + 0 + 202 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 687110024241 + 1425113075961 = 828921^2 + 1193781^2 .

It is a super-4 number, since 4×2112223100202⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2112223100201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98686702 + ... + 98708102.

Almost surely, 2^{2112223100202} is an apocalyptic number.

2112223100202 is an abundant number, since it is smaller than the sum of its proper divisors (2529710056386).

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

2112223100202 is a wasteful number, since it uses less digits than its factorization.

2112223100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21976 (or 21740 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2112223100202 its reverse (2020013222112), we get a palindrome (4132236322314).

The spelling of 2112223100202 in words is "two trillion, one hundred twelve billion, two hundred twenty-three million, one hundred thousand, two hundred two".