2140313011221 has 32 divisors (see below), whose sum is σ = 3572098016256. Its totient is φ = 1107421200000.

The previous prime is 2140313011217. The next prime is 2140313011247. The reversal of 2140313011221 is 1221103130412.

It is not a de Polignac number, because 2140313011221 - 2² = 2140313011217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140313011261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18399040 + ... + 18515001.

It is an arithmetic number, because the mean of its divisors is an integer number (111628063008).

Almost surely, 2^{2140313011221} is an apocalyptic number.

2140313011221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2140313011221 is a deficient number, since it is larger than the sum of its proper divisors (1431785005035).

2140313011221 is a wasteful number, since it uses less digits than its factorization.

2140313011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36914313.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2140313011221 its reverse (1221103130412), we get a palindrome (3361416141633).

The spelling of 2140313011221 in words is "two trillion, one hundred forty billion, three hundred thirteen million, eleven thousand, two hundred twenty-one".