20010021211202 has 16 divisors (see below), whose sum is σ = 33081234695712. Its totient is φ = 9001696513920.

The previous prime is 20010021211171. The next prime is 20010021211207. The reversal of 20010021211202 is 20211212001002.

It is not an unprimeable number, because it can be changed into a prime (20010021211207) 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, 4688381468 + ... + 4688385735.

It is an arithmetic number, because the mean of its divisors is an integer number (2067577168482).

Almost surely, 2^{20010021211202} is an apocalyptic number.

20010021211202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20010021211202 is a deficient number, since it is larger than the sum of its proper divisors (13071213484510).

20010021211202 is a wasteful number, since it uses less digits than its factorization.

20010021211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376767313.

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

Adding to 20010021211202 its reverse (20211212001002), we get a palindrome (40221233212204).

The spelling of 20010021211202 in words is "twenty trillion, ten billion, twenty-one million, two hundred eleven thousand, two hundred two".