102201222121211 has 2 divisors, whose sum is σ = 102201222121212. Its totient is φ = 102201222121210.

The previous prime is 102201222121157. The next prime is 102201222121247. The reversal of 102201222121211 is 112121222102201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102201222121211 - 2²⁶ = 102201155012347 is a prime.

It is a super-2 number, since 2×102201222121211² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102201222121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100611060605 + 51100611060606.

It is an arithmetic number, because the mean of its divisors is an integer number (51100611060606).

Almost surely, 2^{102201222121211} is an apocalyptic number.

102201222121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201222121211 is an equidigital number, since it uses as much as digits as its factorization.

102201222121211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102201222121211 its reverse (112121222102201), we get a palindrome (214322444223412).

The spelling of 102201222121211 in words is "one hundred two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".