21270203114 has 4 divisors (see below), whose sum is σ = 31905304674. Its totient is φ = 10635101556.

The previous prime is 21270203057. The next prime is 21270203147. The reversal of 21270203114 is 41130207212.

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., 20601722089 + 668481025 = 143533^2 + 25855^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21270203114.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5317550777 + ... + 5317550780.

Almost surely, 2^21270203114 is an apocalyptic number.

21270203114 is a deficient number, since it is larger than the sum of its proper divisors (10635101560).

21270203114 is a wasteful number, since it uses less digits than its factorization.

21270203114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10635101559.

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 21270203114 in words is "twenty-one billion, two hundred seventy million, two hundred three thousand, one hundred fourteen".