21000101302 has 8 divisors (see below), whose sum is σ = 32170368096. Its totient is φ = 10276645272.

The previous prime is 21000101237. The next prime is 21000101321. The reversal of 21000101302 is 20310100012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111702573 + ... + 111702760.

It is an arithmetic number, because the mean of its divisors is an integer number (4021296012).

Almost surely, 2^21000101302 is an apocalyptic number.

21000101302 is a deficient number, since it is larger than the sum of its proper divisors (11170266794).

21000101302 is a wasteful number, since it uses less digits than its factorization.

21000101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223405382.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 21000101302 its reverse (20310100012), we get a palindrome (41310201314).

The spelling of 21000101302 in words is "twenty-one billion, one hundred one thousand, three hundred two".