222001121102001 has 4 divisors (see below), whose sum is σ = 296001494802672. Its totient is φ = 148000747401332.

The previous prime is 222001121101973. The next prime is 222001121102011. The reversal of 222001121102001 is 100201121100222.

222001121102001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222001121102001 - 2¹⁸ = 222001120839857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222001121102011) 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, 37000186850331 + ... + 37000186850336.

It is an arithmetic number, because the mean of its divisors is an integer number (74000373700668).

Almost surely, 2^{222001121102001} is an apocalyptic number.

It is an amenable number.

222001121102001 is a deficient number, since it is larger than the sum of its proper divisors (74000373700671).

222001121102001 is an equidigital number, since it uses as much as digits as its factorization.

222001121102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74000373700670.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222001121102001 its reverse (100201121100222), we get a palindrome (322202242202223).

The spelling of 222001121102001 in words is "two hundred twenty-two trillion, one billion, one hundred twenty-one million, one hundred two thousand, one".