220222120001 has 8 divisors (see below), whose sum is σ = 251113005864. Its totient is φ = 191324194560.

The previous prime is 220222119977. The next prime is 220222120031. The reversal of 220222120001 is 100021222022.

It can be written as a sum of positive squares in 4 ways, for example, as 21864976 + 220200255025 = 4676^2 + 469255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220222120001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220222120031) 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, 498239870 + ... + 498240311.

It is an arithmetic number, because the mean of its divisors is an integer number (31389125733).

Almost surely, 2^220222120001 is an apocalyptic number.

It is an amenable number.

220222120001 is a deficient number, since it is larger than the sum of its proper divisors (30890885863).

220222120001 is a wasteful number, since it uses less digits than its factorization.

220222120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996480211.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220222120001 its reverse (100021222022), we get a palindrome (320243342023).

It can be divided in two parts, 2202221 and 20001, that added together give a palindrome (2222222).

The spelling of 220222120001 in words is "two hundred twenty billion, two hundred twenty-two million, one hundred twenty thousand, one".