121321020121132 has 48 divisors (see below), whose sum is σ = 231551356361472. Its totient is φ = 55283072374080.

The previous prime is 121321020121097. The next prime is 121321020121141. The reversal of 121321020121132 is 231121020123121.

It is a happy number.

It is a super-2 number, since 2×121321020121132² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780178 + ... + 15823129.

It is an arithmetic number, because the mean of its divisors is an integer number (4823986590864).

Almost surely, 2^{121321020121132} is an apocalyptic number.

It is an amenable number.

121321020121132 is a deficient number, since it is larger than the sum of its proper divisors (110230336240340).

121321020121132 is a wasteful number, since it uses less digits than its factorization.

121321020121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18604918 (or 18604916 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121321020121132 its reverse (231121020123121), we get a palindrome (352442040244253).

The spelling of 121321020121132 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, twenty million, one hundred twenty-one thousand, one hundred thirty-two".