101022001 has 4 divisors (see below), whose sum is σ = 101551104. Its totient is φ = 100492900.

The previous prime is 101021981. The next prime is 101022059. The reversal of 101022001 is 100220101.

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 101022001 - 2⁵ = 101021969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101022301) 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, 264265 + ... + 264646.

It is an arithmetic number, because the mean of its divisors is an integer number (25387776).

Almost surely, 2^101022001 is an apocalyptic number.

It is an amenable number.

101022001 is a deficient number, since it is larger than the sum of its proper divisors (529103).

101022001 is an equidigital number, since it uses as much as digits as its factorization.

101022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529102.

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

The square root of 101022001 is about 10050.9701521793. The cubic root of 101022001 is about 465.7347631327.

Adding to 101022001 its reverse (100220101), we get a palindrome (201242102).

The spelling of 101022001 in words is "one hundred one million, twenty-two thousand, one".