121202001120220 has 96 divisors (see below), whose sum is σ = 278194865389056. Its totient is φ = 44156256460800.

The previous prime is 121202001120197. The next prime is 121202001120229. The reversal of 121202001120220 is 22021100202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121202001120194 and 121202001120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202001120229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1003990584 + ... + 1004111296.

It is an arithmetic number, because the mean of its divisors is an integer number (2897863181136).

Almost surely, 2^{121202001120220} is an apocalyptic number.

121202001120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202001120220 is an abundant number, since it is smaller than the sum of its proper divisors (156992864268836).

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

121202001120220 is a wasteful number, since it uses less digits than its factorization.

121202001120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216031 (or 216029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121202001120220 its reverse (22021100202121), we get a palindrome (143223101322341).

The spelling of 121202001120220 in words is "one hundred twenty-one trillion, two hundred two billion, one million, one hundred twenty thousand, two hundred twenty".