1221033332102 has 4 divisors (see below), whose sum is σ = 1831549998156. Its totient is φ = 610516666050.

The previous prime is 1221033332087. The next prime is 1221033332119. The reversal of 1221033332102 is 2012333301221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1221033332102² (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 as a sum of consecutive naturals, namely, 305258333024 + ... + 305258333027.

It is an arithmetic number, because the mean of its divisors is an integer number (457887499539).

Almost surely, 2^{1221033332102} is an apocalyptic number.

1221033332102 is a deficient number, since it is larger than the sum of its proper divisors (610516666054).

1221033332102 is an equidigital number, since it uses as much as digits as its factorization.

1221033332102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610516666053.

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

Adding to 1221033332102 its reverse (2012333301221), we get a palindrome (3233366633323).

The spelling of 1221033332102 in words is "one trillion, two hundred twenty-one billion, thirty-three million, three hundred thirty-two thousand, one hundred two".