1011002201 has 4 divisors (see below), whose sum is σ = 1102911504. Its totient is φ = 919092900.

The previous prime is 1011002173. The next prime is 1011002243. The reversal of 1011002201 is 1022001101.

1011002201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-1011002201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011002261) 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, 45954635 + ... + 45954656.

It is an arithmetic number, because the mean of its divisors is an integer number (275727876).

Almost surely, 2^1011002201 is an apocalyptic number.

1011002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011002201 is a deficient number, since it is larger than the sum of its proper divisors (91909303).

1011002201 is an equidigital number, since it uses as much as digits as its factorization.

1011002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91909302.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011002201 is about 31796.2608021761. The cubic root of 1011002201 is about 1003.6540321198.

Adding to 1011002201 its reverse (1022001101), we get a palindrome (2033003302).

It can be divided in two parts, 101100 and 2201, that added together give a palindrome (103301).

The spelling of 1011002201 in words is "one billion, eleven million, two thousand, two hundred one".