7912222102211 has 4 divisors (see below), whose sum is σ = 9042539545392. Its totient is φ = 6781904659032.

The previous prime is 7912222102201. The next prime is 7912222102229. The reversal of 7912222102211 is 1122012222197.

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

It is a cyclic number.

It is not a de Polignac number, because 7912222102211 - 2¹⁰ = 7912222101187 is a prime.

It is a super-2 number, since 2×7912222102211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7912222102201) 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, 565158721580 + ... + 565158721593.

It is an arithmetic number, because the mean of its divisors is an integer number (2260634886348).

Almost surely, 2^{7912222102211} is an apocalyptic number.

7912222102211 is a deficient number, since it is larger than the sum of its proper divisors (1130317443181).

7912222102211 is a wasteful number, since it uses less digits than its factorization.

7912222102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130317443180.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 7912222102211 in words is "seven trillion, nine hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two hundred eleven".