20011002112210 has 8 divisors (see below), whose sum is σ = 36019803801996. Its totient is φ = 8004400844880.

The previous prime is 20011002112201. The next prime is 20011002112243. The reversal of 20011002112210 is 1221120011002.

It can be written as a sum of positive squares in 2 ways, for example, as 17071035787521 + 2939966324689 = 4131711^2 + 1714633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1000550105601 + ... + 1000550105620.

Almost surely, 2^{20011002112210} is an apocalyptic number.

20011002112210 is a deficient number, since it is larger than the sum of its proper divisors (16008801689786).

20011002112210 is a wasteful number, since it uses less digits than its factorization.

20011002112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001100211228.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011002112210 its reverse (1221120011002), we get a palindrome (21232122123212).

The spelling of 20011002112210 in words is "twenty trillion, eleven billion, two million, one hundred twelve thousand, two hundred ten".