20200102221211 has 4 divisors (see below), whose sum is σ = 22036475150424. Its totient is φ = 18363729292000.

The previous prime is 20200102221151. The next prime is 20200102221217. The reversal of 20200102221211 is 11212220100202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20200102221211 - 2¹⁷ = 20200102090139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200102221217) 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, 918186464590 + ... + 918186464611.

It is an arithmetic number, because the mean of its divisors is an integer number (5509118787606).

Almost surely, 2^{20200102221211} is an apocalyptic number.

20200102221211 is a deficient number, since it is larger than the sum of its proper divisors (1836372929213).

20200102221211 is a wasteful number, since it uses less digits than its factorization.

20200102221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836372929212.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20200102221211 its reverse (11212220100202), we get a palindrome (31412322321413).

The spelling of 20200102221211 in words is "twenty trillion, two hundred billion, one hundred two million, two hundred twenty-one thousand, two hundred eleven".