121100201202101 has 16 divisors (see below), whose sum is σ = 136675614522240. Its totient is φ = 106286439161280.

The previous prime is 121100201202091. The next prime is 121100201202107. The reversal of 121100201202101 is 101202102001121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121100201202101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100201202107) 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, 10974086 + ... + 19042871.

It is an arithmetic number, because the mean of its divisors is an integer number (8542225907640).

Almost surely, 2^{121100201202101} is an apocalyptic number.

121100201202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121100201202101 is a deficient number, since it is larger than the sum of its proper divisors (15575413320139).

121100201202101 is a wasteful number, since it uses less digits than its factorization.

121100201202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029644.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121100201202101 its reverse (101202102001121), we get a palindrome (222302303203222).

The spelling of 121100201202101 in words is "one hundred twenty-one trillion, one hundred billion, two hundred one million, two hundred two thousand, one hundred one".