2221000202011 has 4 divisors (see below), whose sum is σ = 2223515491912. Its totient is φ = 2218484912112.

The previous prime is 2221000201999. The next prime is 2221000202021. The reversal of 2221000202011 is 1102020001222.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221000202011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221000201982 and 2221000202000.

It is not an unprimeable number, because it can be changed into a prime (2221000202021) 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, 1257643626 + ... + 1257645391.

It is an arithmetic number, because the mean of its divisors is an integer number (555878872978).

Almost surely, 2^{2221000202011} is an apocalyptic number.

2221000202011 is a deficient number, since it is larger than the sum of its proper divisors (2515289901).

2221000202011 is an equidigital number, since it uses as much as digits as its factorization.

2221000202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515289900.

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

Adding to 2221000202011 its reverse (1102020001222), we get a palindrome (3323020203233).

The spelling of 2221000202011 in words is "two trillion, two hundred twenty-one billion, two hundred two thousand, eleven".