20100102020211 has 4 divisors (see below), whose sum is σ = 26800136026952. Its totient is φ = 13400068013472.

The previous prime is 20100102020203. The next prime is 20100102020231. The reversal of 20100102020211 is 11202020100102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20100102020211 - 2³ = 20100102020203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20100102020231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3350017003366 + ... + 3350017003371.

It is an arithmetic number, because the mean of its divisors is an integer number (6700034006738).

Almost surely, 2^{20100102020211} is an apocalyptic number.

20100102020211 is a deficient number, since it is larger than the sum of its proper divisors (6700034006741).

20100102020211 is an equidigital number, since it uses as much as digits as its factorization.

20100102020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700034006740.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100102020211 its reverse (11202020100102), we get a palindrome (31302122120313).

The spelling of 20100102020211 in words is "twenty trillion, one hundred billion, one hundred two million, twenty thousand, two hundred eleven".