121102213320 has 512 divisors, whose sum is σ = 455450688000. Its totient is φ = 28366848000.

The previous prime is 121102213303. The next prime is 121102213327. The reversal of 121102213320 is 23312201121.

121102213320 is a `hidden beast` number, since 1 + 2 + 110 + 221 + 332 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121102213293 and 121102213302.

It is not an unprimeable number, because it can be changed into a prime (121102213327) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53090580 + ... + 53092860.

It is an arithmetic number, because the mean of its divisors is an integer number (889552125).

Almost surely, 2^121102213320 is an apocalyptic number.

121102213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102213320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227725344000).

121102213320 is an abundant number, since it is smaller than the sum of its proper divisors (334348474680).

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

121102213320 is a wasteful number, since it uses less digits than its factorization.

121102213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2452 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121102213320 its reverse (23312201121), we get a palindrome (144414414441).

The spelling of 121102213320 in words is "one hundred twenty-one billion, one hundred two million, two hundred thirteen thousand, three hundred twenty".