12121202101102 has 4 divisors (see below), whose sum is σ = 18181803151656. Its totient is φ = 6060601050550.

The previous prime is 12121202101097. The next prime is 12121202101157. The reversal of 12121202101102 is 20110120212121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12121202101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030300525274 + ... + 3030300525277.

It is an arithmetic number, because the mean of its divisors is an integer number (4545450787914).

Almost surely, 2^{12121202101102} is an apocalyptic number.

12121202101102 is a deficient number, since it is larger than the sum of its proper divisors (6060601050554).

12121202101102 is an equidigital number, since it uses as much as digits as its factorization.

12121202101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060601050553.

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

Adding to 12121202101102 its reverse (20110120212121), we get a palindrome (32231322313223).

The spelling of 12121202101102 in words is "twelve trillion, one hundred twenty-one billion, two hundred two million, one hundred one thousand, one hundred two".