2011020221140 has 24 divisors (see below), whose sum is σ = 4826448531072. Its totient is φ = 689492647200.

The previous prime is 2011020221137. The next prime is 2011020221141. The reversal of 2011020221140 is 411220201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011020221141) 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, 7182214936 + ... + 7182215215.

It is an arithmetic number, because the mean of its divisors is an integer number (201102022128).

Almost surely, 2^{2011020221140} is an apocalyptic number.

2011020221140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011020221140 is an abundant number, since it is smaller than the sum of its proper divisors (2815428309932).

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

2011020221140 is a wasteful number, since it uses less digits than its factorization.

2011020221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364430167 (or 14364430165 counting only the distinct ones).

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

Adding to 2011020221140 its reverse (411220201102), we get a palindrome (2422240422242).

The spelling of 2011020221140 in words is "two trillion, eleven billion, twenty million, two hundred twenty-one thousand, one hundred forty".