102122201211 has 4 divisors (see below), whose sum is σ = 136162934952. Its totient is φ = 68081467472.

The previous prime is 102122201201. The next prime is 102122201213. The reversal of 102122201211 is 112102221201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112102221201 = 3 ⋅37367407067.

It is a cyclic number.

It is not a de Polignac number, because 102122201211 - 2²¹ = 102120104059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102122201213) 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, 17020366866 + ... + 17020366871.

It is an arithmetic number, because the mean of its divisors is an integer number (34040733738).

Almost surely, 2^102122201211 is an apocalyptic number.

102122201211 is a deficient number, since it is larger than the sum of its proper divisors (34040733741).

102122201211 is an equidigital number, since it uses as much as digits as its factorization.

102122201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34040733740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102122201211 its reverse (112102221201), we get a palindrome (214224422412).

The spelling of 102122201211 in words is "one hundred two billion, one hundred twenty-two million, two hundred one thousand, two hundred eleven".