2220100121120 has 48 divisors (see below), whose sum is σ = 5994270330048. Its totient is φ = 761177184000.

The previous prime is 2220100121093. The next prime is 2220100121123. The reversal of 2220100121120 is 211210010222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2220100121095 and 2220100121104.

It is not an unprimeable number, because it can be changed into a prime (2220100121123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991115006 + ... + 991117245.

It is an arithmetic number, because the mean of its divisors is an integer number (124880631876).

Almost surely, 2^{2220100121120} is an apocalyptic number.

2220100121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220100121120 is an abundant number, since it is smaller than the sum of its proper divisors (3774170208928).

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

2220100121120 is a wasteful number, since it uses less digits than its factorization.

2220100121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982232273 (or 1982232265 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220100121120 its reverse (211210010222), we get a palindrome (2431310131342).

The spelling of 2220100121120 in words is "two trillion, two hundred twenty billion, one hundred million, one hundred twenty-one thousand, one hundred twenty".