2211011011011 has 16 divisors (see below), whose sum is σ = 3276695566080. Its totient is φ = 1314723527520.

The previous prime is 2211011011007. The next prime is 2211011011021. The reversal of 2211011011011 is 1101101101122.

It is not a de Polignac number, because 2211011011011 - 2² = 2211011011007 is a prime.

2211011011011 is a modest number, since divided by 11011011 gives 2211 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2211011011021) 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, 632076871 + ... + 632080368.

It is an arithmetic number, because the mean of its divisors is an integer number (204793472880).

Almost surely, 2^{2211011011011} is an apocalyptic number.

2211011011011 is a deficient number, since it is larger than the sum of its proper divisors (1065684555069).

2211011011011 is a wasteful number, since it uses less digits than its factorization.

2211011011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264157306.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2211011011011 its reverse (1101101101122), we get a palindrome (3312112112133).

It can be divided in two parts, 22 and 11011011011, that multiplied together give a palindrome (242242242242).

The spelling of 2211011011011 in words is "two trillion, two hundred eleven billion, eleven million, eleven thousand, eleven".