2212111121011 has 12 divisors (see below), whose sum is σ = 2460789162216. Its totient is φ = 1986781063520.

The previous prime is 2212111121009. The next prime is 2212111121027. The reversal of 2212111121011 is 1101211112122.

It is not a de Polignac number, because 2212111121011 - 2¹ = 2212111121009 is a prime.

It is a super-2 number, since 2×2212111121011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2212111161011) 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, 110121946 + ... + 110142031.

It is an arithmetic number, because the mean of its divisors is an integer number (205065763518).

Almost surely, 2^{2212111121011} is an apocalyptic number.

2212111121011 is a deficient number, since it is larger than the sum of its proper divisors (248678041205).

2212111121011 is a wasteful number, since it uses less digits than its factorization.

2212111121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220264082 (or 220264071 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 2212111121011 its reverse (1101211112122), we get a palindrome (3313322233133).

The spelling of 2212111121011 in words is "two trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, eleven".