2221021020101 has 8 divisors (see below), whose sum is σ = 2392112029440. Its totient is φ = 2049964759152.

The previous prime is 2221021020017. The next prime is 2221021020137. The reversal of 2221021020101 is 1010201201222.

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-2221021020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221021028101) 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, 8554265 + ... + 8810078.

It is an arithmetic number, because the mean of its divisors is an integer number (299014003680).

Almost surely, 2^{2221021020101} is an apocalyptic number.

It is an amenable number.

2221021020101 is a deficient number, since it is larger than the sum of its proper divisors (171091009339).

2221021020101 is a wasteful number, since it uses less digits than its factorization.

2221021020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374195.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2221021020101 its reverse (1010201201222), we get a palindrome (3231222221323).

The spelling of 2221021020101 in words is "two trillion, two hundred twenty-one billion, twenty-one million, twenty thousand, one hundred one".