121111200010102 has 16 divisors (see below), whose sum is σ = 183376305699840. Its totient is φ = 59988337397032.

The previous prime is 121111200010037. The next prime is 121111200010111. The reversal of 121111200010102 is 201010002111121.

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, 643060678 + ... + 643248985.

It is an arithmetic number, because the mean of its divisors is an integer number (11461019106240).

Almost surely, 2^{121111200010102} is an apocalyptic number.

121111200010102 is a deficient number, since it is larger than the sum of its proper divisors (62265105689738).

121111200010102 is a wasteful number, since it uses less digits than its factorization.

121111200010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286310107.

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

Adding to 121111200010102 its reverse (201010002111121), we get a palindrome (322121202121223).

The spelling of 121111200010102 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, ten thousand, one hundred two".