2101242270 has 32 divisors (see below), whose sum is σ = 5216879520. Its totient is φ = 541009280.

The previous prime is 2101242181. The next prime is 2101242271. The reversal of 2101242270 is 722421012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101242271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206741 + ... + 1208480.

It is an arithmetic number, because the mean of its divisors is an integer number (163027485).

Almost surely, 2^2101242270 is an apocalyptic number.

2101242270 is an abundant number, since it is smaller than the sum of its proper divisors (3115637250).

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

2101242270 is a wasteful number, since it uses less digits than its factorization.

2101242270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415260.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2101242270 is about 45839.3092225439. The cubic root of 2101242270 is about 1280.8316271295.

Adding to 2101242270 its reverse (722421012), we get a palindrome (2823663282).

The spelling of 2101242270 in words is "two billion, one hundred one million, two hundred forty-two thousand, two hundred seventy".