1221102212332 has 12 divisors (see below), whose sum is σ = 2145243771720. Its totient is φ = 608175420416.

The previous prime is 1221102212293. The next prime is 1221102212377. The reversal of 1221102212332 is 2332122011221.

It is a super-2 number, since 2×1221102212332² (a number of 25 digits) contains 22 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, 593920282 + ... + 593922337.

It is an arithmetic number, because the mean of its divisors is an integer number (178770314310).

Almost surely, 2^{1221102212332} is an apocalyptic number.

It is an amenable number.

1221102212332 is a deficient number, since it is larger than the sum of its proper divisors (924141559388).

1221102212332 is a wasteful number, since it uses less digits than its factorization.

1221102212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187842880 (or 1187842878 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1221102212332 its reverse (2332122011221), we get a palindrome (3553224223553).

The spelling of 1221102212332 in words is "one trillion, two hundred twenty-one billion, one hundred two million, two hundred twelve thousand, three hundred thirty-two".