1221033323102 has 8 divisors (see below), whose sum is σ = 1831557525456. Its totient is φ = 610514147952.

The previous prime is 1221033323093. The next prime is 1221033323113. The reversal of 1221033323102 is 2013233301221.

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

It is a super-2 number, since 2×1221033323102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 575783 + ... + 1665410.

It is an arithmetic number, because the mean of its divisors is an integer number (228944690682).

Almost surely, 2^{1221033323102} is an apocalyptic number.

1221033323102 is a deficient number, since it is larger than the sum of its proper divisors (610524202354).

1221033323102 is a wasteful number, since it uses less digits than its factorization.

1221033323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513602.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1221033323102 its reverse (2013233301221), we get a palindrome (3234266624323).

The spelling of 1221033323102 in words is "one trillion, two hundred twenty-one billion, thirty-three million, three hundred twenty-three thousand, one hundred two".