12111120101002 has 32 divisors (see below), whose sum is σ = 20436426541440. Its totient is φ = 5341033030080.

The previous prime is 12111120100993. The next prime is 12111120101027. The reversal of 12111120101002 is 20010102111121.

It is a happy number.

It is a super-5 number, since 5×12111120101002⁵ (a number of 67 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10198552 + ... + 11323987.

It is an arithmetic number, because the mean of its divisors is an integer number (638638329420).

Almost surely, 2^{12111120101002} is an apocalyptic number.

12111120101002 is a deficient number, since it is larger than the sum of its proper divisors (8325306440438).

12111120101002 is a wasteful number, since it uses less digits than its factorization.

12111120101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523518.

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

Adding to 12111120101002 its reverse (20010102111121), we get a palindrome (32121222212123).

The spelling of 12111120101002 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, one hundred one thousand, two".