2212222222011 has 4 divisors (see below), whose sum is σ = 2949629629352. Its totient is φ = 1474814814672.

The previous prime is 2212222221949. The next prime is 2212222222019. The reversal of 2212222222011 is 1102222222122.

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

It is not a de Polignac number, because 2212222222011 - 2²¹ = 2212220124859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212222222019) 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, 368703703666 + ... + 368703703671.

It is an arithmetic number, because the mean of its divisors is an integer number (737407407338).

Almost surely, 2^{2212222222011} is an apocalyptic number.

2212222222011 is a deficient number, since it is larger than the sum of its proper divisors (737407407341).

2212222222011 is an equidigital number, since it uses as much as digits as its factorization.

2212222222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737407407340.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2212222222011 its reverse (1102222222122), we get a palindrome (3314444444133).

The spelling of 2212222222011 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, eleven".