2011222111120 has 40 divisors (see below), whose sum is σ = 4676255807616. Its totient is φ = 804460560768.

The previous prime is 2011222111103. The next prime is 2011222111121. The reversal of 2011222111120 is 211112221102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2011222111094 and 2011222111103.

It is not an unprimeable number, because it can be changed into a prime (2011222111121) 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, 1926619 + ... + 2781061.

Almost surely, 2^{2011222111120} is an apocalyptic number.

2011222111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011222111120 is an abundant number, since it is smaller than the sum of its proper divisors (2665033696496).

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

2011222111120 is a wasteful number, since it uses less digits than its factorization.

2011222111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883879 (or 883873 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011222111120 its reverse (211112221102), we get a palindrome (2222334332222).

The spelling of 2011222111120 in words is "two trillion, eleven billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty".