121222210001 has 8 divisors (see below), whose sum is σ = 126371543808. Its totient is φ = 116150310000.

The previous prime is 121222209991. The next prime is 121222210049. The reversal of 121222210001 is 100012222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121222210001 - 2³⁰ = 120148468177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222210051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19355255 + ... + 19361516.

It is an arithmetic number, because the mean of its divisors is an integer number (15796442976).

Almost surely, 2^121222210001 is an apocalyptic number.

It is an amenable number.

121222210001 is a deficient number, since it is larger than the sum of its proper divisors (5149333807).

121222210001 is a wasteful number, since it uses less digits than its factorization.

121222210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38716903.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121222210001 its reverse (100012222121), we get a palindrome (221234432122).

The spelling of 121222210001 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred ten thousand, one".