2211100020002 has 4 divisors (see below), whose sum is σ = 3316650030006. Its totient is φ = 1105550010000.

The previous prime is 2211100020001. The next prime is 2211100020049. The reversal of 2211100020002 is 2000200011122.

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., 1738761341641 + 472338678361 = 1318621^2 + 687269^2 .

It is not an unprimeable number, because it can be changed into a prime (2211100020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552775004999 + ... + 552775005002.

Almost surely, 2^{2211100020002} is an apocalyptic number.

2211100020002 is a deficient number, since it is larger than the sum of its proper divisors (1105550010004).

2211100020002 is a wasteful number, since it uses less digits than its factorization.

2211100020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105550010003.

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

Adding to 2211100020002 its reverse (2000200011122), we get a palindrome (4211300031124).

The spelling of 2211100020002 in words is "two trillion, two hundred eleven billion, one hundred million, twenty thousand, two".