2111222201201 has 8 divisors (see below), whose sum is σ = 2147873955360. Its totient is φ = 2074599391392.

The previous prime is 2111222201177. The next prime is 2111222201227. The reversal of 2111222201201 is 1021022221112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111222201201 - 2²² = 2111218006897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111222201201.

It is not an unprimeable number, because it can be changed into a prime (2111222201701) 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, 7088915 + ... + 7380728.

It is an arithmetic number, because the mean of its divisors is an integer number (268484244420).

Almost surely, 2^{2111222201201} is an apocalyptic number.

It is an amenable number.

2111222201201 is a deficient number, since it is larger than the sum of its proper divisors (36651754159).

2111222201201 is a wasteful number, since it uses less digits than its factorization.

2111222201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472175.

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

Adding to 2111222201201 its reverse (1021022221112), we get a palindrome (3132244422313).

The spelling of 2111222201201 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, two hundred one".