1101021413 has 4 divisors (see below), whose sum is σ = 1101174048. Its totient is φ = 1100868780.

The previous prime is 1101021401. The next prime is 1101021437. The reversal of 1101021413 is 3141201011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101021413 - 2⁸ = 1101021157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101021613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64931 + ... + 80112.

It is an arithmetic number, because the mean of its divisors is an integer number (275293512).

Almost surely, 2^1101021413 is an apocalyptic number.

It is an amenable number.

1101021413 is a deficient number, since it is larger than the sum of its proper divisors (152635).

1101021413 is an equidigital number, since it uses as much as digits as its factorization.

1101021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152634.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1101021413 is about 33181.6427109931. The cubic root of 1101021413 is about 1032.5995270157.

Adding to 1101021413 its reverse (3141201011), we get a palindrome (4242222424).

It can be divided in two parts, 11010 and 21413, that added together give a palindrome (32423).

The spelling of 1101021413 in words is "one billion, one hundred one million, twenty-one thousand, four hundred thirteen".