2211100202002 has 4 divisors (see below), whose sum is σ = 3316650303006. Its totient is φ = 1105550101000.

The previous prime is 2211100201987. The next prime is 2211100202009. The reversal of 2211100202002 is 2002020011122.

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., 1113280324641 + 1097819877361 = 1055121^2 + 1047769^2 .

It is not an unprimeable number, because it can be changed into a prime (2211100202009) 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, 552775050499 + ... + 552775050502.

Almost surely, 2^{2211100202002} is an apocalyptic number.

2211100202002 is a deficient number, since it is larger than the sum of its proper divisors (1105550101004).

2211100202002 is a wasteful number, since it uses less digits than its factorization.

2211100202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105550101003.

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

Adding to 2211100202002 its reverse (2002020011122), we get a palindrome (4213120213124).

The spelling of 2211100202002 in words is "two trillion, two hundred eleven billion, one hundred million, two hundred two thousand, two".