20110012021202 has 4 divisors (see below), whose sum is σ = 30165018031806. Its totient is φ = 10055006010600.

The previous prime is 20110012021139. The next prime is 20110012021283. The reversal of 20110012021202 is 20212021001102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13638477966961 + 6471534054241 = 3693031^2 + 2543921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027503005299 + ... + 5027503005302.

Almost surely, 2^{20110012021202} is an apocalyptic number.

20110012021202 is a deficient number, since it is larger than the sum of its proper divisors (10055006010604).

20110012021202 is a wasteful number, since it uses less digits than its factorization.

20110012021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055006010603.

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

Adding to 20110012021202 its reverse (20212021001102), we get a palindrome (40322033022304).

The spelling of 20110012021202 in words is "twenty trillion, one hundred ten billion, twelve million, twenty-one thousand, two hundred two".