121102221200101 has 4 divisors (see below), whose sum is σ = 121103318658400. Its totient is φ = 121101123741804.

The previous prime is 121102221200087. The next prime is 121102221200153. The reversal of 121102221200101 is 101002122201121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121102221200101 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 (121102221200801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548563611 + ... + 548784328.

It is an arithmetic number, because the mean of its divisors is an integer number (30275829664600).

Almost surely, 2^{121102221200101} is an apocalyptic number.

It is an amenable number.

121102221200101 is a deficient number, since it is larger than the sum of its proper divisors (1097458299).

121102221200101 is a wasteful number, since it uses less digits than its factorization.

121102221200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097458298.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102221200101 its reverse (101002122201121), we get a palindrome (222104343401222).

The spelling of 121102221200101 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-one million, two hundred thousand, one hundred one".