2201212202101 has 12 divisors (see below), whose sum is σ = 2419550572012. Its totient is φ = 2001071952000.

The previous prime is 2201212202081. The next prime is 2201212202107. The reversal of 2201212202101 is 1012022121022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1752578822500 + 448633379601 = 1323850^2 + 669801^2 .

It is not a de Polignac number, because 2201212202101 - 2¹⁷ = 2201212071029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201212202107) 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, 13838461 + ... + 13996621.

Almost surely, 2^{2201212202101} is an apocalyptic number.

It is an amenable number.

2201212202101 is a deficient number, since it is larger than the sum of its proper divisors (218338369911).

2201212202101 is a wasteful number, since it uses less digits than its factorization.

2201212202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273204 (or 273193 counting only the distinct ones).

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

Adding to 2201212202101 its reverse (1012022121022), we get a palindrome (3213234323123).

The spelling of 2201212202101 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred two thousand, one hundred one".