220220012112001 has 4 divisors (see below), whose sum is σ = 240240013213104. Its totient is φ = 200200011010900.

The previous prime is 220220012111989. The next prime is 220220012112007. The reversal of 220220012112001 is 100211210022022.

It is a happy number.

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 220220012112001 - 2⁷ = 220220012111873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220012112007) 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, 10010000550535 + ... + 10010000550556.

It is an arithmetic number, because the mean of its divisors is an integer number (60060003303276).

Almost surely, 2^{220220012112001} is an apocalyptic number.

It is an amenable number.

220220012112001 is a deficient number, since it is larger than the sum of its proper divisors (20020001101103).

220220012112001 is a wasteful number, since it uses less digits than its factorization.

220220012112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020001101102.

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

Adding to 220220012112001 its reverse (100211210022022), we get a palindrome (320431222134023).

The spelling of 220220012112001 in words is "two hundred twenty trillion, two hundred twenty billion, twelve million, one hundred twelve thousand, one".