121222022200001 has 16 divisors (see below), whose sum is σ = 127650054692160. Its totient is φ = 114798786485760.

The previous prime is 121222022199983. The next prime is 121222022200127. The reversal of 121222022200001 is 100002220222121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121222022200001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121222022200801) 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, 1345864370 + ... + 1345954436.

It is an arithmetic number, because the mean of its divisors is an integer number (7978128418260).

Almost surely, 2^{121222022200001} is an apocalyptic number.

It is an amenable number.

121222022200001 is a deficient number, since it is larger than the sum of its proper divisors (6428032492159).

121222022200001 is a wasteful number, since it uses less digits than its factorization.

121222022200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115904.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121222022200001 its reverse (100002220222121), we get a palindrome (221224242422122).

The spelling of 121222022200001 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twenty-two million, two hundred thousand, one".