202001220111 has 8 divisors (see below), whose sum is σ = 269342236800. Its totient is φ = 134663841752.

The previous prime is 202001220041. The next prime is 202001220119. The reversal of 202001220111 is 111022100202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202001220111 - 2¹¹ = 202001218063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001220119) 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, 777285 + ... + 1004078.

It is an arithmetic number, because the mean of its divisors is an integer number (33667779600).

Almost surely, 2^202001220111 is an apocalyptic number.

202001220111 is a deficient number, since it is larger than the sum of its proper divisors (67341016689).

202001220111 is a wasteful number, since it uses less digits than its factorization.

202001220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819165.

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

Adding to 202001220111 its reverse (111022100202), we get a palindrome (313023320313).

The spelling of 202001220111 in words is "two hundred two billion, one million, two hundred twenty thousand, one hundred eleven".