1901010001 has 8 divisors (see below), whose sum is σ = 2145340800. Its totient is φ = 1668597840.

The previous prime is 1901009969. The next prime is 1901010011. The reversal of 1901010001 is 1000101091.

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

It is a cyclic number.

It is not a de Polignac number, because 1901010001 - 2⁵ = 1901009969 is a prime.

It is a super-2 number, since 2×1901010001² = 7227678047804040002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1901010011) 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, 2979321 + ... + 2979958.

It is an arithmetic number, because the mean of its divisors is an integer number (268167600).

Almost surely, 2^1901010001 is an apocalyptic number.

1901010001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1901010001 is a deficient number, since it is larger than the sum of its proper divisors (244330799).

1901010001 is a wasteful number, since it uses less digits than its factorization.

1901010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5959319.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1901010001 is about 43600.5734021928. The cubic root of 1901010001 is about 1238.7817555244.

Adding to 1901010001 its reverse (1000101091), we get a palindrome (2901111092).

The spelling of 1901010001 in words is "one billion, nine hundred one million, ten thousand, one".