121120001022220 has 12 divisors (see below), whose sum is σ = 254352002146704. Its totient is φ = 48448000408880.

The previous prime is 121120001022101. The next prime is 121120001022227. The reversal of 121120001022220 is 22220100021121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121120001022194 and 121120001022203.

It is not an unprimeable number, because it can be changed into a prime (121120001022227) 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, 3028000025536 + ... + 3028000025575.

It is an arithmetic number, because the mean of its divisors is an integer number (21196000178892).

Almost surely, 2^{121120001022220} is an apocalyptic number.

121120001022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121120001022220 is an abundant number, since it is smaller than the sum of its proper divisors (133232001124484).

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

121120001022220 is a wasteful number, since it uses less digits than its factorization.

121120001022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056000051120 (or 6056000051118 counting only the distinct ones).

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

Adding to 121120001022220 its reverse (22220100021121), we get a palindrome (143340101043341).

The spelling of 121120001022220 in words is "one hundred twenty-one trillion, one hundred twenty billion, one million, twenty-two thousand, two hundred twenty".