121122220201 has 8 divisors (see below), whose sum is σ = 126414921024. Its totient is φ = 115831729200.

The previous prime is 121122220157. The next prime is 121122220229. The reversal of 121122220201 is 102022221121.

It is a happy number.

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 121122220201 - 2⁷ = 121122220073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122220501) 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, 439950 + ... + 660151.

It is an arithmetic number, because the mean of its divisors is an integer number (15801865128).

Almost surely, 2^121122220201 is an apocalyptic number.

It is an amenable number.

121122220201 is a deficient number, since it is larger than the sum of its proper divisors (5292700823).

121122220201 is a wasteful number, since it uses less digits than its factorization.

121122220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104911.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121122220201 its reverse (102022221121), we get a palindrome (223144441322).

The spelling of 121122220201 in words is "one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty thousand, two hundred one".