2101112222202 has 192 divisors, whose sum is σ = 5456435871744. Its totient is φ = 571909403520.

The previous prime is 2101112222191. The next prime is 2101112222203. The reversal of 2101112222202 is 2022222111012.

It is a happy number.

2101112222202 is a `hidden beast` number, since 210 + 1 + 11 + 222 + 220 + 2 = 666.

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 (2101112222203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39834627 + ... + 39887337.

It is an arithmetic number, because the mean of its divisors is an integer number (28418936832).

Almost surely, 2^{2101112222202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101112222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728217935872).

2101112222202 is an abundant number, since it is smaller than the sum of its proper divisors (3355323649542).

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

2101112222202 is a wasteful number, since it uses less digits than its factorization.

2101112222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52953 (or 52950 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2101112222202 its reverse (2022222111012), we get a palindrome (4123334333214).

The spelling of 2101112222202 in words is "two trillion, one hundred one billion, one hundred twelve million, two hundred twenty-two thousand, two hundred two".