121222200022201 has 4 divisors (see below), whose sum is σ = 121224693174912. Its totient is φ = 121219706869492.

The previous prime is 121222200022177. The next prime is 121222200022267. The reversal of 121222200022201 is 102220002222121.

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 not a de Polignac number, because 121222200022201 - 2⁷ = 121222200022073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222200028201) 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, 1246503421 + ... + 1246600666.

It is an arithmetic number, because the mean of its divisors is an integer number (30306173293728).

Almost surely, 2^{121222200022201} is an apocalyptic number.

It is an amenable number.

121222200022201 is a deficient number, since it is larger than the sum of its proper divisors (2493152711).

121222200022201 is an equidigital number, since it uses as much as digits as its factorization.

121222200022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493152710.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121222200022201 its reverse (102220002222121), we get a palindrome (223442202244322).

The spelling of 121222200022201 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, two hundred million, twenty-two thousand, two hundred one".