211244002100002 has 4 divisors (see below), whose sum is σ = 316866003150006. Its totient is φ = 105622001050000.

The previous prime is 211244002099903. The next prime is 211244002100017. The reversal of 211244002100002 is 200001200442112.

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., 206932569292801 + 4311432807201 = 14385151^2 + 2076399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52811000524999 + ... + 52811000525002.

Almost surely, 2^{211244002100002} is an apocalyptic number.

211244002100002 is a deficient number, since it is larger than the sum of its proper divisors (105622001050004).

211244002100002 is a wasteful number, since it uses less digits than its factorization.

211244002100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105622001050003.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211244002100002 its reverse (200001200442112), we get a palindrome (411245202542114).

The spelling of 211244002100002 in words is "two hundred eleven trillion, two hundred forty-four billion, two million, one hundred thousand, two".