10111200121002 has 128 divisors (see below), whose sum is σ = 22880492755200. Its totient is φ = 2962748952576.

The previous prime is 10111200120943. The next prime is 10111200121007. The reversal of 10111200121002 is 20012100211101.

It is not an unprimeable number, because it can be changed into a prime (10111200121007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18667149 + ... + 19201167.

It is an arithmetic number, because the mean of its divisors is an integer number (178753849650).

Almost surely, 2^{10111200121002} is an apocalyptic number.

10111200121002 is an abundant number, since it is smaller than the sum of its proper divisors (12769292634198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111200121002 is a wasteful number, since it uses less digits than its factorization.

10111200121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534280.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10111200121002 its reverse (20012100211101), we get a palindrome (30123300332103).

Subtracting 10111200121002 from its reverse (20012100211101), we obtain a palindrome (9900900090099).

The spelling of 10111200121002 in words is "ten trillion, one hundred eleven billion, two hundred million, one hundred twenty-one thousand, two".