1102020201 has 16 divisors (see below), whose sum is σ = 1649457600. Its totient is φ = 727104384.

The previous prime is 1102020187. The next prime is 1102020251. The reversal of 1102020201 is 1020202011.

It is not a de Polignac number, because 1102020201 - 2⁵ = 1102020169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1102020251) 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, 207771 + ... + 213008.

It is an arithmetic number, because the mean of its divisors is an integer number (103091100).

Almost surely, 2^1102020201 is an apocalyptic number.

It is an amenable number.

1102020201 is a deficient number, since it is larger than the sum of its proper divisors (547437399).

1102020201 is an equidigital number, since it uses as much as digits as its factorization.

1102020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420885 (or 420879 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1102020201 is about 33196.6896090559. The cubic root of 1102020201 is about 1032.9116724169.

Adding to 1102020201 its reverse (1020202011), we get a palindrome (2122222212).

The spelling of 1102020201 in words is "one billion, one hundred two million, twenty thousand, two hundred one".