12011121010102 has 16 divisors (see below), whose sum is σ = 19222108350192. Its totient is φ = 5609144968960.

The previous prime is 12011121010061. The next prime is 12011121010117. The reversal of 12011121010102 is 20101012111021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348347703 + ... + 1348356610.

It is an arithmetic number, because the mean of its divisors is an integer number (1201381771887).

Almost surely, 2^{12011121010102} is an apocalyptic number.

12011121010102 is a deficient number, since it is larger than the sum of its proper divisors (7210987340090).

12011121010102 is a wasteful number, since it uses less digits than its factorization.

12011121010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696704463.

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

Adding to 12011121010102 its reverse (20101012111021), we get a palindrome (32112133121123).

The spelling of 12011121010102 in words is "twelve trillion, eleven billion, one hundred twenty-one million, ten thousand, one hundred two".