2211201099 has 12 divisors (see below), whose sum is σ = 3312252216. Its totient is φ = 1474133904.

The previous prime is 2211201061. The next prime is 2211201103. The reversal of 2211201099 is 9901021122.

It is not a de Polignac number, because 2211201099 - 2¹² = 2211197003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2211201029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4549554 + ... + 4550039.

It is an arithmetic number, because the mean of its divisors is an integer number (276021018).

Almost surely, 2^2211201099 is an apocalyptic number.

2211201099 is a deficient number, since it is larger than the sum of its proper divisors (1101051117).

2211201099 is an frugal number, since it uses more digits than its factorization.

2211201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099608 (or 9099596 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2211201099 is about 47023.4101166642. The cubic root of 2211201099 is about 1302.7949921969.

The spelling of 2211201099 in words is "two billion, two hundred eleven million, two hundred one thousand, ninety-nine".