20200120101211 has 16 divisors (see below), whose sum is σ = 21931268996160. Its totient is φ = 18547747335040.

The previous prime is 20200120101209. The next prime is 20200120101233. The reversal of 20200120101211 is 11210102100202.

It is a cyclic number.

It is not a de Polignac number, because 20200120101211 - 2¹ = 20200120101209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200120101191 and 20200120101200.

It is not an unprimeable number, because it can be changed into a prime (20200120101251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87413620 + ... + 87644401.

It is an arithmetic number, because the mean of its divisors is an integer number (1370704312260).

Almost surely, 2^{20200120101211} is an apocalyptic number.

20200120101211 is a deficient number, since it is larger than the sum of its proper divisors (1731148894949).

20200120101211 is a wasteful number, since it uses less digits than its factorization.

20200120101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175058246.

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

Adding to 20200120101211 its reverse (11210102100202), we get a palindrome (31410222201413).

The spelling of 20200120101211 in words is "twenty trillion, two hundred billion, one hundred twenty million, one hundred one thousand, two hundred eleven".