2201212202111 has 8 divisors (see below), whose sum is σ = 2388631915824. Its totient is φ = 2016377588160.

The previous prime is 2201212202107. The next prime is 2201212202129. The reversal of 2201212202111 is 1112022121022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201212202111 - 2² = 2201212202107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201212202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201212202171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646273166 + ... + 646276571.

It is an arithmetic number, because the mean of its divisors is an integer number (298578989478).

Almost surely, 2^{2201212202111} is an apocalyptic number.

2201212202111 is a deficient number, since it is larger than the sum of its proper divisors (187419713713).

2201212202111 is a wasteful number, since it uses less digits than its factorization.

2201212202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292549881.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201212202111 its reverse (1112022121022), we get a palindrome (3313234323133).

The spelling of 2201212202111 in words is "two trillion, two hundred one billion, two hundred twelve million, two hundred two thousand, one hundred eleven".