7211111011223 has 32 divisors (see below), whose sum is σ = 8801320120320. Its totient is φ = 5774745312000.

The previous prime is 7211111011219. The next prime is 7211111011243. The reversal of 7211111011223 is 3221101111127.

It is not a de Polignac number, because 7211111011223 - 2² = 7211111011219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7211111011243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72263003 + ... + 72362723.

It is an arithmetic number, because the mean of its divisors is an integer number (275041253760).

Almost surely, 2^{7211111011223} is an apocalyptic number.

7211111011223 is a deficient number, since it is larger than the sum of its proper divisors (1590209109097).

7211111011223 is a wasteful number, since it uses less digits than its factorization.

7211111011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111279.

The product of its (nonzero) digits is 168, while the sum is 23.

The spelling of 7211111011223 in words is "seven trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, two hundred twenty-three".