221010022001210 has 16 divisors (see below), whose sum is σ = 428419427264136. Its totient is φ = 81603700431168.

The previous prime is 221010022001203. The next prime is 221010022001239. The reversal of 221010022001210 is 12100220010122.

221010022001210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 136489708460161 + 84520313541049 = 11682881^2 + 9193493^2 .

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, 850038546029 + ... + 850038546288.

Almost surely, 2^{221010022001210} is an apocalyptic number.

221010022001210 is a deficient number, since it is larger than the sum of its proper divisors (207409405262926).

221010022001210 is a wasteful number, since it uses less digits than its factorization.

221010022001210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700077092337.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221010022001210 its reverse (12100220010122), we get a palindrome (233110242011332).

The spelling of 221010022001210 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, one thousand, two hundred ten".