7211405979722 has 8 divisors (see below), whose sum is σ = 12362410250976. Its totient is φ = 3090602562732.

The previous prime is 7211405979719. The next prime is 7211405979731. The reversal of 7211405979722 is 2279795041127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257550213548 + ... + 257550213575.

It is an arithmetic number, because the mean of its divisors is an integer number (1545301281372).

Almost surely, 2^{7211405979722} is an apocalyptic number.

7211405979722 is a deficient number, since it is larger than the sum of its proper divisors (5151004271254).

7211405979722 is a wasteful number, since it uses less digits than its factorization.

7211405979722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515100427132.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 7211405979722 in words is "seven trillion, two hundred eleven billion, four hundred five million, nine hundred seventy-nine thousand, seven hundred twenty-two".