210010112122021 has 8 divisors (see below), whose sum is σ = 210067977659904. Its totient is φ = 209952252210480.

The previous prime is 210010112121977. The next prime is 210010112122079. The reversal of 210010112122021 is 120221211010012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210010112122021 - 2¹⁹ = 210010111597733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210010112121986 and 210010112122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010112122121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73809435 + ... + 76601911.

It is an arithmetic number, because the mean of its divisors is an integer number (26258497207488).

Almost surely, 2^{210010112122021} is an apocalyptic number.

It is an amenable number.

210010112122021 is a deficient number, since it is larger than the sum of its proper divisors (57865537883).

210010112122021 is a wasteful number, since it uses less digits than its factorization.

210010112122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813171.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210010112122021 its reverse (120221211010012), we get a palindrome (330231323132033).

The spelling of 210010112122021 in words is "two hundred ten trillion, ten billion, one hundred twelve million, one hundred twenty-two thousand, twenty-one".