211141221140 has 96 divisors (see below), whose sum is σ = 453297648384. Its totient is φ = 82594713600.

The previous prime is 211141221113. The next prime is 211141221143. The reversal of 211141221140 is 41122141112.

211141221140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211141221143) 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, 162041729 + ... + 162043031.

It is an arithmetic number, because the mean of its divisors is an integer number (4721850504).

Almost surely, 2^211141221140 is an apocalyptic number.

211141221140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211141221140 is an abundant number, since it is smaller than the sum of its proper divisors (242156427244).

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

211141221140 is a wasteful number, since it uses less digits than its factorization.

211141221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211141221140 its reverse (41122141112), we get a palindrome (252263362252).

The spelling of 211141221140 in words is "two hundred eleven billion, one hundred forty-one million, two hundred twenty-one thousand, one hundred forty".