1321211102 has 8 divisors (see below), whose sum is σ = 1983727200. Its totient is φ = 659968704.

The previous prime is 1321211093. The next prime is 1321211107. The reversal of 1321211102 is 2011121231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315827 + ... + 319982.

It is an arithmetic number, because the mean of its divisors is an integer number (247965900).

Almost surely, 2^1321211102 is an apocalyptic number.

1321211102 is a deficient number, since it is larger than the sum of its proper divisors (662516098).

1321211102 is a wasteful number, since it uses less digits than its factorization.

1321211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636850.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1321211102 is about 36348.4676705910. The cubic root of 1321211102 is about 1097.2966958234.

Adding to 1321211102 its reverse (2011121231), we get a palindrome (3332332333).

The spelling of 1321211102 in words is "one billion, three hundred twenty-one million, two hundred eleven thousand, one hundred two".