2211201101 has 4 divisors (see below), whose sum is σ = 2341271772. Its totient is φ = 2081130432.

The previous prime is 2211201061. The next prime is 2211201103. The reversal of 2211201101 is 1011021122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 723556201 + 1487644900 = 26899^2 + 38570^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211201101 - 2³⁰ = 1137459277 is a prime.

It is a super-2 number, since 2×2211201101² = 9778820618127224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211201103) 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, 65035310 + ... + 65035343.

It is an arithmetic number, because the mean of its divisors is an integer number (585317943).

Almost surely, 2^2211201101 is an apocalyptic number.

It is an amenable number.

2211201101 is a deficient number, since it is larger than the sum of its proper divisors (130070671).

2211201101 is a wasteful number, since it uses less digits than its factorization.

2211201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130070670.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2211201101 is about 47023.4101379302. The cubic root of 2211201101 is about 1302.7949925897.

Adding to 2211201101 its reverse (1011021122), we get a palindrome (3222222223).

The spelling of 2211201101 in words is "two billion, two hundred eleven million, two hundred one thousand, one hundred one".