21021133003130 has 16 divisors (see below), whose sum is σ = 40748657821704. Its totient is φ = 7761649108800.

The previous prime is 21021133003121. The next prime is 21021133003217. The reversal of 21021133003130 is 3130033112012.

It can be written as a sum of positive squares in 4 ways, for example, as 7122231900001 + 13898901103129 = 2668751^2 + 3728123^2 .

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, 80850511421 + ... + 80850511680.

Almost surely, 2^{21021133003130} is an apocalyptic number.

21021133003130 is a deficient number, since it is larger than the sum of its proper divisors (19727524818574).

21021133003130 is a wasteful number, since it uses less digits than its factorization.

21021133003130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161701023121.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 21021133003130 its reverse (3130033112012), we get a palindrome (24151166115142).

The spelling of 21021133003130 in words is "twenty-one trillion, twenty-one billion, one hundred thirty-three million, three thousand, one hundred thirty".