2211108203953 has 4 divisors (see below), whose sum is σ = 2412118040688. Its totient is φ = 2010098367220.

The previous prime is 2211108203951. The next prime is 2211108203999. The reversal of 2211108203953 is 3593028011122.

It is a happy number.

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 2211108203953 - 2¹ = 2211108203951 is a prime.

It is a super-2 number, since 2×2211108203953² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211108203951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100504918351 + ... + 100504918372.

It is an arithmetic number, because the mean of its divisors is an integer number (603029510172).

Almost surely, 2^{2211108203953} is an apocalyptic number.

It is an amenable number.

2211108203953 is a deficient number, since it is larger than the sum of its proper divisors (201009836735).

2211108203953 is a wasteful number, since it uses less digits than its factorization.

2211108203953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201009836734.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 2211108203953 in words is "two trillion, two hundred eleven billion, one hundred eight million, two hundred three thousand, nine hundred fifty-three".