20010121021202 has 16 divisors (see below), whose sum is σ = 32327336735232. Its totient is φ = 9234499018320.

The previous prime is 20010121021183. The next prime is 20010121021273. The reversal of 20010121021202 is 20212012101002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38967218 + ... + 39477389.

It is an arithmetic number, because the mean of its divisors is an integer number (2020458545952).

Almost surely, 2^{20010121021202} is an apocalyptic number.

20010121021202 is a deficient number, since it is larger than the sum of its proper divisors (12317215714030).

20010121021202 is a wasteful number, since it uses less digits than its factorization.

20010121021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78454433.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010121021202 its reverse (20212012101002), we get a palindrome (40222133122204).

The spelling of 20010121021202 in words is "twenty trillion, ten billion, one hundred twenty-one million, twenty-one thousand, two hundred two".