121011200230220 has 24 divisors (see below), whose sum is σ = 254123751261408. Its totient is φ = 48404436134400.

The previous prime is 121011200230201. The next prime is 121011200230229. The reversal of 121011200230220 is 22032002110121.

It is not an unprimeable number, because it can be changed into a prime (121011200230229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28487900 + ... + 32458940.

It is an arithmetic number, because the mean of its divisors is an integer number (10588489635892).

Almost surely, 2^{121011200230220} is an apocalyptic number.

121011200230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121011200230220 is an abundant number, since it is smaller than the sum of its proper divisors (133112551031188).

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

121011200230220 is a wasteful number, since it uses less digits than its factorization.

121011200230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494721 (or 5494719 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121011200230220 its reverse (22032002110121), we get a palindrome (143043202340341).

The spelling of 121011200230220 in words is "one hundred twenty-one trillion, eleven billion, two hundred million, two hundred thirty thousand, two hundred twenty".