202111403434 has 8 divisors (see below), whose sum is σ = 319123268640. Its totient is φ = 95736980556.

The previous prime is 202111403419. The next prime is 202111403443. The reversal of 202111403434 is 434304111202.

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

It is a super-2 number, since 2×202111403434² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202111403399 and 202111403408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659360534 + ... + 2659360609.

It is an arithmetic number, because the mean of its divisors is an integer number (39890408580).

Almost surely, 2^202111403434 is an apocalyptic number.

202111403434 is a deficient number, since it is larger than the sum of its proper divisors (117011865206).

202111403434 is a wasteful number, since it uses less digits than its factorization.

202111403434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318721164.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 202111403434 its reverse (434304111202), we get a palindrome (636415514636).

The spelling of 202111403434 in words is "two hundred two billion, one hundred eleven million, four hundred three thousand, four hundred thirty-four".