210102112101211 has 4 divisors (see below), whose sum is σ = 229202304110424. Its totient is φ = 191001920092000.

The previous prime is 210102112101191. The next prime is 210102112101241. The reversal of 210102112101211 is 112101211201012.

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 210102112101211 - 2⁵ = 210102112101179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210102112101241) 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, 9550096004590 + ... + 9550096004611.

It is an arithmetic number, because the mean of its divisors is an integer number (57300576027606).

Almost surely, 2^{210102112101211} is an apocalyptic number.

210102112101211 is a deficient number, since it is larger than the sum of its proper divisors (19100192009213).

210102112101211 is a wasteful number, since it uses less digits than its factorization.

210102112101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19100192009212.

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

Adding to 210102112101211 its reverse (112101211201012), we get a palindrome (322203323302223).

The spelling of 210102112101211 in words is "two hundred ten trillion, one hundred two billion, one hundred twelve million, one hundred one thousand, two hundred eleven".