311221122002 has 8 divisors (see below), whose sum is σ = 533521923456. Its totient is φ = 133380480852.

The previous prime is 311221121987. The next prime is 311221122061. The reversal of 311221122002 is 200221122113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×311221122002³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11115040058 + ... + 11115040085.

It is an arithmetic number, because the mean of its divisors is an integer number (66690240432).

Almost surely, 2^311221122002 is an apocalyptic number.

311221122002 is a deficient number, since it is larger than the sum of its proper divisors (222300801454).

311221122002 is a wasteful number, since it uses less digits than its factorization.

311221122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22230080152.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 311221122002 its reverse (200221122113), we get a palindrome (511442244115).

The spelling of 311221122002 in words is "three hundred eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two".