2101020411 has 8 divisors (see below), whose sum is σ = 3201554944. Its totient is φ = 1200583080.

The previous prime is 2101020403. The next prime is 2101020457. The reversal of 2101020411 is 1140201012.

It is a happy number.

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

It is not a de Polignac number, because 2101020411 - 2³ = 2101020403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101020511) 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, 50024275 + ... + 50024316.

It is an arithmetic number, because the mean of its divisors is an integer number (400194368).

Almost surely, 2^2101020411 is an apocalyptic number.

2101020411 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2101020411 is a deficient number, since it is larger than the sum of its proper divisors (1100534533).

2101020411 is a wasteful number, since it uses less digits than its factorization.

2101020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100048601.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2101020411 is about 45836.8891941851. The cubic root of 2101020411 is about 1280.7865468088.

Adding to 2101020411 its reverse (1140201012), we get a palindrome (3241221423).

The spelling of 2101020411 in words is "two billion, one hundred one million, twenty thousand, four hundred eleven".