102212122122211 has 4 divisors (see below), whose sum is σ = 103944530971800. Its totient is φ = 100479713272624.

The previous prime is 102212122122197. The next prime is 102212122122223. The reversal of 102212122122211 is 112221221212201.

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 102212122122211 - 2¹⁵ = 102212122089443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102212122126211) 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, 866204424706 + ... + 866204424823.

It is an arithmetic number, because the mean of its divisors is an integer number (25986132742950).

Almost surely, 2^{102212122122211} is an apocalyptic number.

102212122122211 is a deficient number, since it is larger than the sum of its proper divisors (1732408849589).

102212122122211 is an equidigital number, since it uses as much as digits as its factorization.

102212122122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732408849588.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 102212122122211 its reverse (112221221212201), we get a palindrome (214433343334412).

The spelling of 102212122122211 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred eleven".