20210200010121 has 16 divisors (see below), whose sum is σ = 31125869535168. Its totient is φ = 11528099827200.

The previous prime is 20210200010101. The next prime is 20210200010171. The reversal of 20210200010121 is 12101000201202.

It is not a de Polignac number, because 20210200010121 - 2⁴² = 15812153499017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20210200010097 and 20210200010106.

It is not an unprimeable number, because it can be changed into a prime (20210200010101) 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, 18012655420 + ... + 18012656541.

It is an arithmetic number, because the mean of its divisors is an integer number (1945366845948).

Almost surely, 2^{20210200010121} is an apocalyptic number.

It is an amenable number.

20210200010121 is a deficient number, since it is larger than the sum of its proper divisors (10915669525047).

20210200010121 is a wasteful number, since it uses less digits than its factorization.

20210200010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36025311992.

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

Adding to 20210200010121 its reverse (12101000201202), we get a palindrome (32311200211323).

The spelling of 20210200010121 in words is "twenty trillion, two hundred ten billion, two hundred million, ten thousand, one hundred twenty-one".