201111132430 has 16 divisors (see below), whose sum is σ = 389846195424. Its totient is φ = 74256418080.

The previous prime is 201111132427. The next prime is 201111132433. The reversal of 201111132430 is 34231111102.

It is an interprime number because it is at equal distance from previous prime (201111132427) and next prime (201111132433).

It is a junction number, because it is equal to n+sod(n) for n = 201111132398 and 201111132407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111132433) 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, 773504226 + ... + 773504485.

It is an arithmetic number, because the mean of its divisors is an integer number (24365387214).

Almost surely, 2^201111132430 is an apocalyptic number.

201111132430 is a deficient number, since it is larger than the sum of its proper divisors (188735062994).

201111132430 is a wasteful number, since it uses less digits than its factorization.

201111132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547008731.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201111132430 its reverse (34231111102), we get a palindrome (235342243532).

The spelling of 201111132430 in words is "two hundred one billion, one hundred eleven million, one hundred thirty-two thousand, four hundred thirty".