2220102021001 has 4 divisors (see below), whose sum is σ = 2222293633092. Its totient is φ = 2217910408912.

The previous prime is 2220102020977. The next prime is 2220102021023. The reversal of 2220102021001 is 1001202010222.

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 7299993600 + 2212802027401 = 85440^2 + 1487549^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220102021001 - 2⁹ = 2220102020489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220102021601) 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, 1095804526 + ... + 1095806551.

It is an arithmetic number, because the mean of its divisors is an integer number (555573408273).

Almost surely, 2^{2220102021001} is an apocalyptic number.

It is an amenable number.

2220102021001 is a deficient number, since it is larger than the sum of its proper divisors (2191612091).

2220102021001 is a wasteful number, since it uses less digits than its factorization.

2220102021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191612090.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2220102021001 its reverse (1001202010222), we get a palindrome (3221304031223).

The spelling of 2220102021001 in words is "two trillion, two hundred twenty billion, one hundred two million, twenty-one thousand, one".