2211121101101 has 16 divisors (see below), whose sum is σ = 2436356387520. Its totient is φ = 1989954933120.

The previous prime is 2211121101047. The next prime is 2211121101103. The reversal of 2211121101101 is 1011011211122.

It is not a de Polignac number, because 2211121101101 - 2⁶ = 2211121101037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211121101103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601601 + ... + 2187273.

It is an arithmetic number, because the mean of its divisors is an integer number (152272274220).

Almost surely, 2^{2211121101101} is an apocalyptic number.

It is an amenable number.

2211121101101 is a deficient number, since it is larger than the sum of its proper divisors (225235286419).

2211121101101 is a wasteful number, since it uses less digits than its factorization.

2211121101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586956.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2211121101101 its reverse (1011011211122), we get a palindrome (3222132312223).

The spelling of 2211121101101 in words is "two trillion, two hundred eleven billion, one hundred twenty-one million, one hundred one thousand, one hundred one".