2211313221201 has 48 divisors (see below), whose sum is σ = 3629014440000. Its totient is φ = 1190899003392.

The previous prime is 2211313221197. The next prime is 2211313221283. The reversal of 2211313221201 is 1021223131122.

It is not a de Polignac number, because 2211313221201 - 2² = 2211313221197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2211313211201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1512076 + ... + 2590173.

It is an arithmetic number, because the mean of its divisors is an integer number (75604467500).

Almost surely, 2^{2211313221201} is an apocalyptic number.

2211313221201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2211313221201 is a deficient number, since it is larger than the sum of its proper divisors (1417701218799).

2211313221201 is a wasteful number, since it uses less digits than its factorization.

2211313221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102478 (or 4102471 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211313221201 its reverse (1021223131122), we get a palindrome (3232536352323).

The spelling of 2211313221201 in words is "two trillion, two hundred eleven billion, three hundred thirteen million, two hundred twenty-one thousand, two hundred one".