20010201010121 has 16 divisors (see below), whose sum is σ = 23009676738048. Its totient is φ = 17046063921600.

The previous prime is 20010201010069. The next prime is 20010201010127. The reversal of 20010201010121 is 12101010201002.

It is not a de Polignac number, because 20010201010121 - 2¹⁴ = 20010200993737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010201010127) 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, 2982770 + ... + 6994091.

It is an arithmetic number, because the mean of its divisors is an integer number (1438104796128).

Almost surely, 2^{20010201010121} is an apocalyptic number.

It is an amenable number.

20010201010121 is a deficient number, since it is larger than the sum of its proper divisors (2999475727927).

20010201010121 is a wasteful number, since it uses less digits than its factorization.

20010201010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978632.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20010201010121 its reverse (12101010201002), we get a palindrome (32111211211123).

The spelling of 20010201010121 in words is "twenty trillion, ten billion, two hundred one million, ten thousand, one hundred twenty-one".