102211210021201 has 4 divisors (see below), whose sum is σ = 102211264971504. Its totient is φ = 102211155070900.

The previous prime is 102211210021199. The next prime is 102211210021213. The reversal of 102211210021201 is 102120012112201.

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 102211210021201 - 2¹ = 102211210021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211210024201) 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, 24583615 + ... + 28438996.

It is an arithmetic number, because the mean of its divisors is an integer number (25552816242876).

Almost surely, 2^{102211210021201} is an apocalyptic number.

It is an amenable number.

102211210021201 is a deficient number, since it is larger than the sum of its proper divisors (54950303).

102211210021201 is an equidigital number, since it uses as much as digits as its factorization.

102211210021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54950302.

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

Adding to 102211210021201 its reverse (102120012112201), we get a palindrome (204331222133402).

The spelling of 102211210021201 in words is "one hundred two trillion, two hundred eleven billion, two hundred ten million, twenty-one thousand, two hundred one".