102212102111001 has 4 divisors (see below), whose sum is σ = 136282802814672. Its totient is φ = 68141401407332.

The previous prime is 102212102110997. The next prime is 102212102111011. The reversal of 102212102111001 is 100111201212201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102212102111001 - 2² = 102212102110997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102212102111011) 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, 17035350351831 + ... + 17035350351836.

It is an arithmetic number, because the mean of its divisors is an integer number (34070700703668).

Almost surely, 2^{102212102111001} is an apocalyptic number.

It is an amenable number.

102212102111001 is a deficient number, since it is larger than the sum of its proper divisors (34070700703671).

102212102111001 is an equidigital number, since it uses as much as digits as its factorization.

102212102111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070700703670.

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

Adding to 102212102111001 its reverse (100111201212201), we get a palindrome (202323303323202).

The spelling of 102212102111001 in words is "one hundred two trillion, two hundred twelve billion, one hundred two million, one hundred eleven thousand, one".