221211211002022 has 16 divisors (see below), whose sum is σ = 339157375464960. Its totient is φ = 108184922064648.

The previous prime is 221211211002011. The next prime is 221211211002071. The reversal of 221211211002022 is 220200112112122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6542370738 + ... + 6542404549.

It is an arithmetic number, because the mean of its divisors is an integer number (21197335966560).

Almost surely, 2^{221211211002022} is an apocalyptic number.

221211211002022 is a deficient number, since it is larger than the sum of its proper divisors (117946164462938).

221211211002022 is a wasteful number, since it uses less digits than its factorization.

221211211002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084775475.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221211211002022 its reverse (220200112112122), we get a palindrome (441411323114144).

The spelling of 221211211002022 in words is "two hundred twenty-one trillion, two hundred eleven billion, two hundred eleven million, two thousand, twenty-two".