121102032321220 has 12 divisors (see below), whose sum is σ = 254314267874604. Its totient is φ = 48440812928480.

The previous prime is 121102032321217. The next prime is 121102032321227. The reversal of 121102032321220 is 22123230201121.

It can be written as a sum of positive squares in 2 ways, for example, as 28610880979396 + 92491151341824 = 5348914^2 + 9617232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121102032321191 and 121102032321200.

It is not an unprimeable number, because it can be changed into a prime (121102032321227) 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, 3027550808011 + ... + 3027550808050.

It is an arithmetic number, because the mean of its divisors is an integer number (21192855656217).

Almost surely, 2^{121102032321220} is an apocalyptic number.

121102032321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102032321220 is an abundant number, since it is smaller than the sum of its proper divisors (133212235553384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102032321220 is a wasteful number, since it uses less digits than its factorization.

121102032321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055101616070 (or 6055101616068 counting only the distinct ones).

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

Adding to 121102032321220 its reverse (22123230201121), we get a palindrome (143225262522341).

The spelling of 121102032321220 in words is "one hundred twenty-one trillion, one hundred two billion, thirty-two million, three hundred twenty-one thousand, two hundred twenty".