21113000402 has 16 divisors (see below), whose sum is σ = 34365969792. Its totient is φ = 9670074960.

The previous prime is 21113000401. The next prime is 21113000411. The reversal of 21113000402 is 20400031112.

It is not an unprimeable number, because it can be changed into a prime (21113000401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3095978 + ... + 3102789.

It is an arithmetic number, because the mean of its divisors is an integer number (2147873112).

Almost surely, 2^21113000402 is an apocalyptic number.

21113000402 is a deficient number, since it is larger than the sum of its proper divisors (13252969390).

21113000402 is a wasteful number, since it uses less digits than its factorization.

21113000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198913.

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

Adding to 21113000402 its reverse (20400031112), we get a palindrome (41513031514).

The spelling of 21113000402 in words is "twenty-one billion, one hundred thirteen million, four hundred two", and thus it is an aban number.