21203000322130 has 32 divisors (see below), whose sum is σ = 41635317290688. Its totient is φ = 7710119928000.

The previous prime is 21203000322113. The next prime is 21203000322191. The reversal of 21203000322130 is 3122300030212.

It is a junction number, because it is equal to n+sod(n) for n = 21203000322098 and 21203000322107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14289705 + ... + 15703555.

It is an arithmetic number, because the mean of its divisors is an integer number (1301103665334).

Almost surely, 2^{21203000322130} is an apocalyptic number.

21203000322130 is a deficient number, since it is larger than the sum of its proper divisors (20432316968558).

21203000322130 is a wasteful number, since it uses less digits than its factorization.

21203000322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550202.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21203000322130 its reverse (3122300030212), we get a palindrome (24325300352342).

The spelling of 21203000322130 in words is "twenty-one trillion, two hundred three billion, three hundred twenty-two thousand, one hundred thirty".