10010101021210 has 32 divisors (see below), whose sum is σ = 18025203218832. Its totient is φ = 4002480430080.

The previous prime is 10010101021199. The next prime is 10010101021247. The reversal of 10010101021210 is 1212010101001.

It can be written as a sum of positive squares in 8 ways, for example, as 5690366931601 + 4319734089609 = 2385449^2 + 2078397^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 349244280 + ... + 349272940.

Almost surely, 2^{10010101021210} is an apocalyptic number.

10010101021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10010101021210 is a deficient number, since it is larger than the sum of its proper divisors (8015102197622).

10010101021210 is a wasteful number, since it uses less digits than its factorization.

10010101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41058.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10010101021210 its reverse (1212010101001), we get a palindrome (11222111122211).

The spelling of 10010101021210 in words is "ten trillion, ten billion, one hundred one million, twenty-one thousand, two hundred ten".