210010021011101 has 4 divisors (see below), whose sum is σ = 210028287528732. Its totient is φ = 209991754493472.

The previous prime is 210010021011061. The next prime is 210010021011103. The reversal of 210010021011101 is 101110120010012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174725411203876 + 35284609807225 = 13218374^2 + 5940085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210010021011101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010021011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9133241570 + ... + 9133264563.

It is an arithmetic number, because the mean of its divisors is an integer number (52507071882183).

Almost surely, 2^{210010021011101} is an apocalyptic number.

It is an amenable number.

210010021011101 is a deficient number, since it is larger than the sum of its proper divisors (18266517631).

210010021011101 is a wasteful number, since it uses less digits than its factorization.

210010021011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18266517630.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210010021011101 its reverse (101110120010012), we get a palindrome (311120141021113).

The spelling of 210010021011101 in words is "two hundred ten trillion, ten billion, twenty-one million, eleven thousand, one hundred one".