2101220141 has 8 divisors (see below), whose sum is σ = 2121467040. Its totient is φ = 2080991088.

The previous prime is 2101220087. The next prime is 2101220167. The reversal of 2101220141 is 1410221012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101220141 - 2¹⁸ = 2100957997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101220171) 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, 436550 + ... + 441336.

It is an arithmetic number, because the mean of its divisors is an integer number (265183380).

Almost surely, 2^2101220141 is an apocalyptic number.

It is an amenable number.

2101220141 is a deficient number, since it is larger than the sum of its proper divisors (20246899).

2101220141 is a wasteful number, since it uses less digits than its factorization.

2101220141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2101220141 is about 45839.0678461070. The cubic root of 2101220141 is about 1280.8271308016.

Adding to 2101220141 its reverse (1410221012), we get a palindrome (3511441153).

The spelling of 2101220141 in words is "two billion, one hundred one million, two hundred twenty thousand, one hundred forty-one".