121111200010101 has 16 divisors (see below), whose sum is σ = 185363397379584. Its totient is φ = 68901525994224.

The previous prime is 121111200010037. The next prime is 121111200010111. The reversal of 121111200010101 is 101010002111121.

It is not a de Polignac number, because 121111200010101 - 2⁶ = 121111200010037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111200010111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12703078935 + ... + 12703088468.

It is an arithmetic number, because the mean of its divisors is an integer number (11585212336224).

Almost surely, 2^{121111200010101} is an apocalyptic number.

It is an amenable number.

121111200010101 is a deficient number, since it is larger than the sum of its proper divisors (64252197369483).

121111200010101 is a wasteful number, since it uses less digits than its factorization.

121111200010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25406167640.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121111200010101 its reverse (101010002111121), we get a palindrome (222121202121222).

The spelling of 121111200010101 in words is "one hundred twenty-one trillion, one hundred eleven billion, two hundred million, ten thousand, one hundred one".