210010122121101 has 32 divisors (see below), whose sum is σ = 280844753333760. Its totient is φ = 139591646515200.

The previous prime is 210010122121031. The next prime is 210010122121123. The reversal of 210010122121101 is 101121221010012.

It is a happy number.

It is not a de Polignac number, because 210010122121101 - 2²⁵ = 210010088566669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010122121141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12969183661 + ... + 12969199853.

It is an arithmetic number, because the mean of its divisors is an integer number (8776398541680).

Almost surely, 2^{210010122121101} is an apocalyptic number.

It is an amenable number.

210010122121101 is a deficient number, since it is larger than the sum of its proper divisors (70834631212659).

210010122121101 is a wasteful number, since it uses less digits than its factorization.

210010122121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23557.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210010122121101 its reverse (101121221010012), we get a palindrome (311131343131113).

The spelling of 210010122121101 in words is "two hundred ten trillion, ten billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred one".