2010121220121 has 16 divisors (see below), whose sum is σ = 3243220792704. Its totient is φ = 1081073597184.

The previous prime is 2010121220113. The next prime is 2010121220137. The reversal of 2010121220121 is 1210221210102.

It is not a de Polignac number, because 2010121220121 - 2³ = 2010121220113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010121220121.

It is not an unprimeable number, because it can be changed into a prime (2010121220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815295470 + ... + 2815296183.

It is an arithmetic number, because the mean of its divisors is an integer number (202701299544).

Almost surely, 2^{2010121220121} is an apocalyptic number.

2010121220121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2010121220121 is a deficient number, since it is larger than the sum of its proper divisors (1233099572583).

2010121220121 is a wasteful number, since it uses less digits than its factorization.

2010121220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630591680.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2010121220121 its reverse (1210221210102), we get a palindrome (3220342430223).

The spelling of 2010121220121 in words is "two trillion, ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twenty-one".