10221200210986 has 4 divisors (see below), whose sum is σ = 15331800316482. Its totient is φ = 5110600105492.

The previous prime is 10221200210869. The next prime is 10221200210993. The reversal of 10221200210986 is 68901200212201.

10221200210986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8836975017025 + 1384225193961 = 2972705^2 + 1176531^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555300052745 + ... + 2555300052748.

Almost surely, 2^{10221200210986} is an apocalyptic number.

10221200210986 is a deficient number, since it is larger than the sum of its proper divisors (5110600105496).

10221200210986 is an equidigital number, since it uses as much as digits as its factorization.

10221200210986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110600105495.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 10221200210986 in words is "ten trillion, two hundred twenty-one billion, two hundred million, two hundred ten thousand, nine hundred eighty-six".