20210200121011 has 4 divisors (see below), whose sum is σ = 20680204775032. Its totient is φ = 19740195466992.

The previous prime is 20210200120987. The next prime is 20210200121057. The reversal of 20210200121011 is 11012100201202.

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 20210200121011 - 2¹³ = 20210200112819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210200120982 and 20210200121000.

It is not an unprimeable number, because it can be changed into a prime (20210200191011) 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, 235002326946 + ... + 235002327031.

It is an arithmetic number, because the mean of its divisors is an integer number (5170051193758).

Almost surely, 2^{20210200121011} is an apocalyptic number.

20210200121011 is a deficient number, since it is larger than the sum of its proper divisors (470004654021).

20210200121011 is an equidigital number, since it uses as much as digits as its factorization.

20210200121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470004654020.

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

Adding to 20210200121011 its reverse (11012100201202), we get a palindrome (31222300322213).

The spelling of 20210200121011 in words is "twenty trillion, two hundred ten billion, two hundred million, one hundred twenty-one thousand, eleven".