20012211120002 has 4 divisors (see below), whose sum is σ = 30018316680006. Its totient is φ = 10006105560000.

The previous prime is 20012211119959. The next prime is 20012211120029. The reversal of 20012211120002 is 20002111221002.

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., 13110561964201 + 6901649155801 = 3620851^2 + 2627099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003052779999 + ... + 5003052780002.

Almost surely, 2^{20012211120002} is an apocalyptic number.

20012211120002 is a deficient number, since it is larger than the sum of its proper divisors (10006105560004).

20012211120002 is a wasteful number, since it uses less digits than its factorization.

20012211120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006105560003.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012211120002 its reverse (20002111221002), we get a palindrome (40014322341004).

The spelling of 20012211120002 in words is "twenty trillion, twelve billion, two hundred eleven million, one hundred twenty thousand, two".