312320221111102 has 32 divisors (see below), whose sum is σ = 473117863695840. Its totient is φ = 154622273500800.

The previous prime is 312320221111099. The next prime is 312320221111103. The reversal of 312320221111102 is 201111122023213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320221111103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174283852 + ... + 176066752.

It is an arithmetic number, because the mean of its divisors is an integer number (14784933240495).

Almost surely, 2^{312320221111102} is an apocalyptic number.

312320221111102 is a deficient number, since it is larger than the sum of its proper divisors (160797642584738).

312320221111102 is a wasteful number, since it uses less digits than its factorization.

312320221111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785148.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 312320221111102 its reverse (201111122023213), we get a palindrome (513431343134315).

It can be divided in two parts, 31232022111 and 1102, that added together give a palindrome (31232023213).

The spelling of 312320221111102 in words is "three hundred twelve trillion, three hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".