2220120221001 has 8 divisors (see below), whose sum is σ = 2964957963744. Its totient is φ = 1477681312800.

The previous prime is 2220120220979. The next prime is 2220120221017. The reversal of 2220120221001 is 1001220210222.

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

It is not a de Polignac number, because 2220120221001 - 2⁶ = 2220120220937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220120221021) 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, 599706475 + ... + 599710176.

It is an arithmetic number, because the mean of its divisors is an integer number (370619745468).

Almost surely, 2^{2220120221001} is an apocalyptic number.

It is an amenable number.

2220120221001 is a deficient number, since it is larger than the sum of its proper divisors (744837742743).

2220120221001 is a wasteful number, since it uses less digits than its factorization.

2220120221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199417271.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220120221001 its reverse (1001220210222), we get a palindrome (3221340431223).

The spelling of 2220120221001 in words is "two trillion, two hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, one".