201024112442 has 4 divisors (see below), whose sum is σ = 301536168666. Its totient is φ = 100512056220.

The previous prime is 201024112427. The next prime is 201024112483. The reversal of 201024112442 is 244211420102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 136959946561 + 64064165881 = 370081^2 + 253109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50256028109 + ... + 50256028112.

Almost surely, 2^201024112442 is an apocalyptic number.

201024112442 is a deficient number, since it is larger than the sum of its proper divisors (100512056224).

201024112442 is a wasteful number, since it uses less digits than its factorization.

201024112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100512056223.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201024112442 its reverse (244211420102), we get a palindrome (445235532544).

The spelling of 201024112442 in words is "two hundred one billion, twenty-four million, one hundred twelve thousand, four hundred forty-two".