2201120021212 has 48 divisors (see below), whose sum is σ = 4551001219072. Its totient is φ = 911550205440.

The previous prime is 2201120021203. The next prime is 2201120021213. The reversal of 2201120021212 is 2121200211022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201120021213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299828 + ... + 2468155.

Almost surely, 2^{2201120021212} is an apocalyptic number.

It is an amenable number.

2201120021212 is an abundant number, since it is smaller than the sum of its proper divisors (2349881197860).

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

2201120021212 is a wasteful number, since it uses less digits than its factorization.

2201120021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768698 (or 3768696 counting only the distinct ones).

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

Adding to 2201120021212 its reverse (2121200211022), we get a palindrome (4322320232234).

The spelling of 2201120021212 in words is "two trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, two hundred twelve".