202111413 has 16 divisors (see below), whose sum is σ = 317915136. Its totient is φ = 111766320.

The previous prime is 202111409. The next prime is 202111433. The reversal of 202111413 is 314111202.

It is not a de Polignac number, because 202111413 - 2² = 202111409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202111392 and 202111401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202111433) 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, 154581 + ... + 155882.

It is an arithmetic number, because the mean of its divisors is an integer number (19869696).

Almost surely, 2^202111413 is an apocalyptic number.

It is an amenable number.

202111413 is a deficient number, since it is larger than the sum of its proper divisors (115803723).

202111413 is a wasteful number, since it uses less digits than its factorization.

202111413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310504.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 202111413 is about 14216.5893589145. The cubic root of 202111413 is about 586.8542842523.

Adding to 202111413 its reverse (314111202), we get a palindrome (516222615).

The spelling of 202111413 in words is "two hundred two million, one hundred eleven thousand, four hundred thirteen".