2101021234 has 8 divisors (see below), whose sum is σ = 3393957420. Its totient is φ = 969702096.

The previous prime is 2101021217. The next prime is 2101021243. The reversal of 2101021234 is 4321201012.

It can be written as a sum of positive squares in 2 ways, for example, as 1763748009 + 337273225 = 41997^2 + 18365^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40404229 + ... + 40404280.

Almost surely, 2^2101021234 is an apocalyptic number.

2101021234 is a deficient number, since it is larger than the sum of its proper divisors (1292936186).

2101021234 is a wasteful number, since it uses less digits than its factorization.

2101021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80808524.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101021234 is about 45836.8981716695. The cubic root of 2101021234 is about 1280.7867140430.

Adding to 2101021234 its reverse (4321201012), we get a palindrome (6422222246).

The spelling of 2101021234 in words is "two billion, one hundred one million, twenty-one thousand, two hundred thirty-four".