2212101420 has 24 divisors (see below), whose sum is σ = 6193884144. Its totient is φ = 589893696.

The previous prime is 2212101343. The next prime is 2212101427. The reversal of 2212101420 is 241012122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2212101420.

It is not an unprimeable number, because it can be changed into a prime (2212101427) 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, 18434119 + ... + 18434238.

It is an arithmetic number, because the mean of its divisors is an integer number (258078506).

Almost surely, 2^2212101420 is an apocalyptic number.

2212101420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212101420 is an abundant number, since it is smaller than the sum of its proper divisors (3981782724).

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

2212101420 is a wasteful number, since it uses less digits than its factorization.

2212101420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36868369 (or 36868367 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212101420 is about 47032.9822571353. The cubic root of 2212101420 is about 1302.9717851828.

Adding to 2212101420 its reverse (241012122), we get a palindrome (2453113542).

The spelling of 2212101420 in words is "two billion, two hundred twelve million, one hundred one thousand, four hundred twenty".