222010102121985 has 24 divisors (see below), whose sum is σ = 385256298908520. Its totient is φ = 118270375932672.

The previous prime is 222010102121887. The next prime is 222010102121989. The reversal of 222010102121985 is 589121201010222.

It can be written as a sum of positive squares in 4 ways, for example, as 11504795664384 + 210505306457601 = 3391872^2 + 14508801^2 .

It is not a de Polignac number, because 222010102121985 - 2⁹ = 222010102121473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222010102121989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2812707300 + ... + 2812786229.

It is an arithmetic number, because the mean of its divisors is an integer number (16052345787855).

Almost surely, 2^{222010102121985} is an apocalyptic number.

It is an amenable number.

222010102121985 is a deficient number, since it is larger than the sum of its proper divisors (163246196786535).

222010102121985 is a wasteful number, since it uses less digits than its factorization.

222010102121985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625494417 (or 5625494414 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 222010102121985 in words is "two hundred twenty-two trillion, ten billion, one hundred two million, one hundred twenty-one thousand, nine hundred eighty-five".