201122431402 has 16 divisors (see below), whose sum is σ = 304690256352. Its totient is φ = 99559141200.

The previous prime is 201122431399. The next prime is 201122431429. The reversal of 201122431402 is 204134221102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5278873 + ... + 5316835.

It is an arithmetic number, because the mean of its divisors is an integer number (19043141022).

Almost surely, 2^201122431402 is an apocalyptic number.

201122431402 is a deficient number, since it is larger than the sum of its proper divisors (103567824950).

201122431402 is a wasteful number, since it uses less digits than its factorization.

201122431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64293.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201122431402 its reverse (204134221102), we get a palindrome (405256652504).

The spelling of 201122431402 in words is "two hundred one billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred two".