10111220120202 has 32 divisors (see below), whose sum is σ = 20246241779712. Its totient is φ = 3366440163504.

The previous prime is 10111220120129. The next prime is 10111220120233. The reversal of 10111220120202 is 20202102211101.

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 in 15 ways as a sum of consecutive naturals, for example, 156045903 + ... + 156110685.

It is an arithmetic number, because the mean of its divisors is an integer number (632695055616).

Almost surely, 2^{10111220120202} is an apocalyptic number.

10111220120202 is an abundant number, since it is smaller than the sum of its proper divisors (10135021659510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111220120202 is a wasteful number, since it uses less digits than its factorization.

10111220120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95002.

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

Adding to 10111220120202 its reverse (20202102211101), we get a palindrome (30313322331303).

The spelling of 10111220120202 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, two hundred two".