2211200001002 has 4 divisors (see below), whose sum is σ = 3316800001506. Its totient is φ = 1105600000500.

The previous prime is 2211200000941. The next prime is 2211200001011. The reversal of 2211200001002 is 2001000021122.

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 only one way, i.e., 1603893069601 + 607306931401 = 1266449^2 + 779299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552800000249 + ... + 552800000252.

Almost surely, 2^{2211200001002} is an apocalyptic number.

2211200001002 is a deficient number, since it is larger than the sum of its proper divisors (1105600000504).

2211200001002 is a wasteful number, since it uses less digits than its factorization.

2211200001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105600000503.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2211200001002 its reverse (2001000021122), we get a palindrome (4212200022124).

The spelling of 2211200001002 in words is "two trillion, two hundred eleven billion, two hundred million, one thousand, two".