201122431430 has 64 divisors (see below), whose sum is σ = 378820212480. Its totient is φ = 76802753664.

The previous prime is 201122431429. The next prime is 201122431459. The reversal of 201122431430 is 34134221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122431396 and 201122431405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11932589 + ... + 11949431.

It is an arithmetic number, because the mean of its divisors is an integer number (5919065820).

Almost surely, 2^201122431430 is an apocalyptic number.

201122431430 is a deficient number, since it is larger than the sum of its proper divisors (177697781050).

201122431430 is a wasteful number, since it uses less digits than its factorization.

201122431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17493.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201122431430 its reverse (34134221102), we get a palindrome (235256652532).

It can be divided in two parts, 20112 and 2431430, that added together give a palindrome (2451542).

The spelling of 201122431430 in words is "two hundred one billion, one hundred twenty-two million, four hundred thirty-one thousand, four hundred thirty".