2211111101201 has 4 divisors (see below), whose sum is σ = 2211131036400. Its totient is φ = 2211091166004.

The previous prime is 2211111101197. The next prime is 2211111101203. The reversal of 2211111101201 is 1021011111122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211111101201 - 2² = 2211111101197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211111101203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800291 + ... + 10023368.

It is an arithmetic number, because the mean of its divisors is an integer number (552782759100).

Almost surely, 2^{2211111101201} is an apocalyptic number.

It is an amenable number.

2211111101201 is a deficient number, since it is larger than the sum of its proper divisors (19935199).

2211111101201 is a wasteful number, since it uses less digits than its factorization.

2211111101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19935198.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2211111101201 its reverse (1021011111122), we get a palindrome (3232122212323).

The spelling of 2211111101201 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred one thousand, two hundred one".