2221111001120 has 48 divisors (see below), whose sum is σ = 5724408811968. Its totient is φ = 807676727040.

The previous prime is 2221111001093. The next prime is 2221111001141. The reversal of 2221111001120 is 211001111222.

It is a junction number, because it is equal to n+sod(n) for n = 2221111001095 and 2221111001104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630995684 + ... + 630999203.

It is an arithmetic number, because the mean of its divisors is an integer number (119258516916).

Almost surely, 2^{2221111001120} is an apocalyptic number.

2221111001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221111001120 is an abundant number, since it is smaller than the sum of its proper divisors (3503297810848).

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

2221111001120 is a wasteful number, since it uses less digits than its factorization.

2221111001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261994913 (or 1261994905 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2221111001120 its reverse (211001111222), we get a palindrome (2432112112342).

The spelling of 2221111001120 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one thousand, one hundred twenty".