2221101020002 has 8 divisors (see below), whose sum is σ = 3362217140700. Its totient is φ = 1100361973104.

The previous prime is 2221101019993. The next prime is 2221101020003. The reversal of 2221101020002 is 2000201011222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1793802170241 + 427298849761 = 1339329^2 + 653681^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2221101020003) 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, 5094268177 + ... + 5094268612.

Almost surely, 2^{2221101020002} is an apocalyptic number.

2221101020002 is a deficient number, since it is larger than the sum of its proper divisors (1141116120698).

2221101020002 is a wasteful number, since it uses less digits than its factorization.

2221101020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10188536900.

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

Adding to 2221101020002 its reverse (2000201011222), we get a palindrome (4221302031224).

The spelling of 2221101020002 in words is "two trillion, two hundred twenty-one billion, one hundred one million, twenty thousand, two".