2221211102201 has 16 divisors (see below), whose sum is σ = 2739728479488. Its totient is φ = 1753629480000.

The previous prime is 2221211102197. The next prime is 2221211102203. The reversal of 2221211102201 is 1022011121222.

It is a cyclic number.

It is not a de Polignac number, because 2221211102201 - 2² = 2221211102197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221211102201.

It is not an unprimeable number, because it can be changed into a prime (2221211102203) 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, 26431925 + ... + 26515826.

It is an arithmetic number, because the mean of its divisors is an integer number (171233029968).

Almost surely, 2^{2221211102201} is an apocalyptic number.

It is an amenable number.

2221211102201 is a deficient number, since it is larger than the sum of its proper divisors (518517377287).

2221211102201 is a wasteful number, since it uses less digits than its factorization.

2221211102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52948232.

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

Adding to 2221211102201 its reverse (1022011121222), we get a palindrome (3243222223423).

The spelling of 2221211102201 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, one hundred two thousand, two hundred one".