201025101 has 8 divisors (see below), whose sum is σ = 271045440. Its totient is φ = 132510752.

The previous prime is 201025093. The next prime is 201025109. The reversal of 201025101 is 101520102.

It is an interprime number because it is at equal distance from previous prime (201025093) and next prime (201025109).

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 201025101 - 2³ = 201025093 is a prime.

It is a super-2 number, since 2×201025101² = 80822182464120402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201025109) 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, 376185 + ... + 376718.

It is an arithmetic number, because the mean of its divisors is an integer number (33880680).

Almost surely, 2^201025101 is an apocalyptic number.

It is an amenable number.

201025101 is a deficient number, since it is larger than the sum of its proper divisors (70020339).

201025101 is an equidigital number, since it uses as much as digits as its factorization.

201025101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752995.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 201025101 is about 14178.3320951373. The cubic root of 201025101 is about 585.8009832940.

Adding to 201025101 its reverse (101520102), we get a palindrome (302545203).

The spelling of 201025101 in words is "two hundred one million, twenty-five thousand, one hundred one".