12101120101102 has 4 divisors (see below), whose sum is σ = 18151680151656. Its totient is φ = 6050560050550.

The previous prime is 12101120101097. The next prime is 12101120101117. The reversal of 12101120101102 is 20110102110121.

It is a happy number.

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

It is a super-2 number, since 2×12101120101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025280025274 + ... + 3025280025277.

It is an arithmetic number, because the mean of its divisors is an integer number (4537920037914).

Almost surely, 2^{12101120101102} is an apocalyptic number.

12101120101102 is a deficient number, since it is larger than the sum of its proper divisors (6050560050554).

12101120101102 is an equidigital number, since it uses as much as digits as its factorization.

12101120101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050560050553.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12101120101102 its reverse (20110102110121), we get a palindrome (32211222211223).

The spelling of 12101120101102 in words is "twelve trillion, one hundred one billion, one hundred twenty million, one hundred one thousand, one hundred two".