221010210211194 has 12 divisors (see below), whose sum is σ = 478855455457626. Its totient is φ = 73670070070392.

The previous prime is 221010210211171. The next prime is 221010210211331. The reversal of 221010210211194 is 491112012010122.

221010210211194 is a `hidden beast` number, since 2 + 210 + 10 + 210 + 211 + 19 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 179977384269225 + 41032825941969 = 13415565^2 + 6405687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6139172505849 + ... + 6139172505884.

Almost surely, 2^{221010210211194} is an apocalyptic number.

221010210211194 is an abundant number, since it is smaller than the sum of its proper divisors (257845245246432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221010210211194 is a wasteful number, since it uses less digits than its factorization.

221010210211194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278345011741 (or 12278345011738 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The spelling of 221010210211194 in words is "two hundred twenty-one trillion, ten billion, two hundred ten million, two hundred eleven thousand, one hundred ninety-four".