2010121121402 has 16 divisors (see below), whose sum is σ = 3221834722920. Its totient is φ = 937261006848.

The previous prime is 2010121121401. The next prime is 2010121121413. The reversal of 2010121121402 is 2041211210102.

It can be written as a sum of positive squares in 4 ways, for example, as 2009138988481 + 982132921 = 1417441^2 + 31339^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (2010121121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271194503 + ... + 271201914.

Almost surely, 2^{2010121121402} is an apocalyptic number.

2010121121402 is a deficient number, since it is larger than the sum of its proper divisors (1211713601518).

2010121121402 is a wasteful number, since it uses less digits than its factorization.

2010121121402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542396545.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2010121121402 its reverse (2041211210102), we get a palindrome (4051332331504).

The spelling of 2010121121402 in words is "two trillion, ten billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred two".