2220212112001 has 4 divisors (see below), whose sum is σ = 2390997659092. Its totient is φ = 2049426564912.

The previous prime is 2220212111989. The next prime is 2220212112011. The reversal of 2220212112001 is 1002112120222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531147982401 + 1689064129600 = 728799^2 + 1299640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220212112001 - 2¹¹ = 2220212109953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220212112011) 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, 85392773526 + ... + 85392773551.

It is an arithmetic number, because the mean of its divisors is an integer number (597749414773).

Almost surely, 2^{2220212112001} is an apocalyptic number.

It is an amenable number.

2220212112001 is a deficient number, since it is larger than the sum of its proper divisors (170785547091).

2220212112001 is a wasteful number, since it uses less digits than its factorization.

2220212112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170785547090.

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

Adding to 2220212112001 its reverse (1002112120222), we get a palindrome (3222324232223).

The spelling of 2220212112001 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred twelve thousand, one".