12121111101002 has 64 divisors (see below), whose sum is σ = 18963564480000. Its totient is φ = 5806015488000.

The previous prime is 12121111100977. The next prime is 12121111101097. The reversal of 12121111101002 is 20010111112121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565828852 + ... + 1565836592.

It is an arithmetic number, because the mean of its divisors is an integer number (296305695000).

Almost surely, 2^{12121111101002} is an apocalyptic number.

12121111101002 is a deficient number, since it is larger than the sum of its proper divisors (6842453378998).

12121111101002 is a wasteful number, since it uses less digits than its factorization.

12121111101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12121111101002 its reverse (20010111112121), we get a palindrome (32131222213123).

The spelling of 12121111101002 in words is "twelve trillion, one hundred twenty-one billion, one hundred eleven million, one hundred one thousand, two".