2011100220002 has 4 divisors (see below), whose sum is σ = 3016650330006. Its totient is φ = 1005550110000.

The previous prime is 2011100219987. The next prime is 2011100220007. The reversal of 2011100220002 is 2000220011102.

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., 1360304675041 + 650795544961 = 1166321^2 + 806719^2 .

It is not an unprimeable number, because it can be changed into a prime (2011100220007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502775054999 + ... + 502775055002.

Almost surely, 2^{2011100220002} is an apocalyptic number.

2011100220002 is a deficient number, since it is larger than the sum of its proper divisors (1005550110004).

2011100220002 is a wasteful number, since it uses less digits than its factorization.

2011100220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005550110003.

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

Adding to 2011100220002 its reverse (2000220011102), we get a palindrome (4011320231104).

The spelling of 2011100220002 in words is "two trillion, eleven billion, one hundred million, two hundred twenty thousand, two".