102122121201 has 4 divisors (see below), whose sum is σ = 136162828272. Its totient is φ = 68081414132.

The previous prime is 102122121169. The next prime is 102122121209. The reversal of 102122121201 is 102121221201.

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 102122121201 - 2⁵ = 102122121169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102122121209) 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, 17020353531 + ... + 17020353536.

It is an arithmetic number, because the mean of its divisors is an integer number (34040707068).

Almost surely, 2^102122121201 is an apocalyptic number.

It is an amenable number.

102122121201 is a deficient number, since it is larger than the sum of its proper divisors (34040707071).

102122121201 is an equidigital number, since it uses as much as digits as its factorization.

102122121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34040707070.

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

Adding to 102122121201 its reverse (102121221201), we get a palindrome (204243342402).

The spelling of 102122121201 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred one".