212110101210103 has 4 divisors (see below), whose sum is σ = 212112878360040. Its totient is φ = 212107324060168.

The previous prime is 212110101210101. The next prime is 212110101210113. The reversal of 212110101210103 is 301012101011212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212110101210103 - 2¹ = 212110101210101 is a prime.

It is a super-4 number, since 4×212110101210103⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110101210101) 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, 1388460400 + ... + 1388613157.

It is an arithmetic number, because the mean of its divisors is an integer number (53028219590010).

Almost surely, 2^{212110101210103} is an apocalyptic number.

212110101210103 is a deficient number, since it is larger than the sum of its proper divisors (2777149937).

212110101210103 is an equidigital number, since it uses as much as digits as its factorization.

212110101210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777149936.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 212110101210103 its reverse (301012101011212), we get a palindrome (513122202221315).

The spelling of 212110101210103 in words is "two hundred twelve trillion, one hundred ten billion, one hundred one million, two hundred ten thousand, one hundred three".