2202001221112 has 128 divisors (see below), whose sum is σ = 5170737047040. Its totient is φ = 854064506880.

The previous prime is 2202001221073. The next prime is 2202001221113. The reversal of 2202001221112 is 2111221002022.

It is a happy number.

It is a super-2 number, since 2×2202001221112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202001221113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124700988 + ... + 124718644.

It is an arithmetic number, because the mean of its divisors is an integer number (40396383180).

Almost surely, 2^{2202001221112} is an apocalyptic number.

2202001221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2202001221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585368523520).

2202001221112 is an abundant number, since it is smaller than the sum of its proper divisors (2968735825928).

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

2202001221112 is a wasteful number, since it uses less digits than its factorization.

2202001221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581 (or 18577 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202001221112 its reverse (2111221002022), we get a palindrome (4313222223134).

The spelling of 2202001221112 in words is "two trillion, two hundred two billion, one million, two hundred twenty-one thousand, one hundred twelve".