202012200111 has 4 divisors (see below), whose sum is σ = 269349600152. Its totient is φ = 134674800072.

The previous prime is 202012200031. The next prime is 202012200127. The reversal of 202012200111 is 111002210202.

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

It is not a de Polignac number, because 202012200111 - 2¹³ = 202012191919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012700111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33668700016 + ... + 33668700021.

It is an arithmetic number, because the mean of its divisors is an integer number (67337400038).

Almost surely, 2^202012200111 is an apocalyptic number.

202012200111 is a deficient number, since it is larger than the sum of its proper divisors (67337400041).

202012200111 is an equidigital number, since it uses as much as digits as its factorization.

202012200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67337400040.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202012200111 its reverse (111002210202), we get a palindrome (313014410313).

The spelling of 202012200111 in words is "two hundred two billion, twelve million, two hundred thousand, one hundred eleven".