1102020001 has 4 divisors (see below), whose sum is σ = 1102235904. Its totient is φ = 1101804100.

The previous prime is 1102019987. The next prime is 1102020013. The reversal of 1102020001 is 1000202011.

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 1102020001 - 2⁹ = 1102019489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102020041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100105 + ... + 110566.

It is an arithmetic number, because the mean of its divisors is an integer number (275558976).

Almost surely, 2^1102020001 is an apocalyptic number.

It is an amenable number.

1102020001 is a deficient number, since it is larger than the sum of its proper divisors (215903).

1102020001 is an equidigital number, since it uses as much as digits as its factorization.

1102020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215902.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1102020001 is about 33196.6865967072. The cubic root of 1102020001 is about 1032.9116099309.

Adding to 1102020001 its reverse (1000202011), we get a palindrome (2102222012).

The spelling of 1102020001 in words is "one billion, one hundred two million, twenty thousand, one".