2101221414 has 24 divisors (see below), whose sum is σ = 4572711000. Its totient is φ = 697320288.

The previous prime is 2101221413. The next prime is 2101221461. The reversal of 2101221414 is 4141221012.

2101221414 is digitally balanced in base 4, 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101221413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253039 + ... + 261210.

It is an arithmetic number, because the mean of its divisors is an integer number (190529625).

Almost surely, 2^2101221414 is an apocalyptic number.

2101221414 is an abundant number, since it is smaller than the sum of its proper divisors (2471489586).

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

2101221414 is a wasteful number, since it uses less digits than its factorization.

2101221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514484 (or 514481 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2101221414 is about 45839.0817316403. The cubic root of 2101221414 is about 1280.8273894596.

Adding to 2101221414 its reverse (4141221012), we get a palindrome (6242442426).

The spelling of 2101221414 in words is "two billion, one hundred one million, two hundred twenty-one thousand, four hundred fourteen".