201111313421235 has 64 divisors (see below), whose sum is σ = 372199130569728. Its totient is φ = 90823549453824.

The previous prime is 201111313421231. The next prime is 201111313421261. The reversal of 201111313421235 is 532124313111102.

It is a happy number.

It is not a de Polignac number, because 201111313421235 - 2² = 201111313421231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201111313421231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 148290469 + ... + 149640521.

It is an arithmetic number, because the mean of its divisors is an integer number (5815611415152).

Almost surely, 2^{201111313421235} is an apocalyptic number.

201111313421235 is a deficient number, since it is larger than the sum of its proper divisors (171087817148493).

201111313421235 is a wasteful number, since it uses less digits than its factorization.

201111313421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367244.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 201111313421235 its reverse (532124313111102), we get a palindrome (733235626532337).

The spelling of 201111313421235 in words is "two hundred one trillion, one hundred eleven billion, three hundred thirteen million, four hundred twenty-one thousand, two hundred thirty-five".