220212202122001 has 16 divisors (see below), whose sum is σ = 236651568840000. Its totient is φ = 204160283205120.

The previous prime is 220212202121993. The next prime is 220212202122049. The reversal of 220212202122001 is 100221202212022.

It is a cyclic number.

It is not a de Polignac number, because 220212202122001 - 2³ = 220212202121993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220212202122001.

It is not an unprimeable number, because it can be changed into a prime (220212202122301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46131741 + ... + 50680981.

It is an arithmetic number, because the mean of its divisors is an integer number (14790723052500).

Almost surely, 2^{220212202122001} is an apocalyptic number.

It is an amenable number.

220212202122001 is a deficient number, since it is larger than the sum of its proper divisors (16439366717999).

220212202122001 is a wasteful number, since it uses less digits than its factorization.

220212202122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591824.

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

Adding to 220212202122001 its reverse (100221202212022), we get a palindrome (320433404334023).

The spelling of 220212202122001 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one".