202113120111 has 16 divisors (see below), whose sum is σ = 312578644224. Its totient is φ = 113769431424.

The previous prime is 202113120091. The next prime is 202113120119. The reversal of 202113120111 is 111021311202.

It is not a de Polignac number, because 202113120111 - 2⁶ = 202113120047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202113120119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71822730 + ... + 71825543.

It is an arithmetic number, because the mean of its divisors is an integer number (19536165264).

Almost surely, 2^202113120111 is an apocalyptic number.

202113120111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202113120111 is a deficient number, since it is larger than the sum of its proper divisors (110465524113).

202113120111 is a wasteful number, since it uses less digits than its factorization.

202113120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143648350.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 202113120111 its reverse (111021311202), we get a palindrome (313134431313).

The spelling of 202113120111 in words is "two hundred two billion, one hundred thirteen million, one hundred twenty thousand, one hundred eleven".