21000003401210 has 16 divisors (see below), whose sum is σ = 38153277209376. Its totient is φ = 8321496674448.

The previous prime is 21000003401191. The next prime is 21000003401227. The reversal of 21000003401210 is 1210430000012.

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, 9813084632 + ... + 9813086771.

It is an arithmetic number, because the mean of its divisors is an integer number (2384579825586).

Almost surely, 2^{21000003401210} is an apocalyptic number.

21000003401210 is a deficient number, since it is larger than the sum of its proper divisors (17153273808166).

21000003401210 is a wasteful number, since it uses less digits than its factorization.

21000003401210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626171517.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 21000003401210 its reverse (1210430000012), we get a palindrome (22210433401222).

The spelling of 21000003401210 in words is "twenty-one trillion, three million, four hundred one thousand, two hundred ten".