202011111142 has 16 divisors (see below), whose sum is σ = 308176235280. Its totient is φ = 99285962752.

The previous prime is 202011111091. The next prime is 202011111149. The reversal of 202011111142 is 241111110202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011111149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668198 + ... + 1785190.

It is an arithmetic number, because the mean of its divisors is an integer number (19261014705).

Almost surely, 2^202011111142 is an apocalyptic number.

202011111142 is a deficient number, since it is larger than the sum of its proper divisors (106165124138).

202011111142 is a wasteful number, since it uses less digits than its factorization.

202011111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131687.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202011111142 its reverse (241111110202), we get a palindrome (443122221344).

The spelling of 202011111142 in words is "two hundred two billion, eleven million, one hundred eleven thousand, one hundred forty-two".