401122101 has 4 divisors (see below), whose sum is σ = 534829472. Its totient is φ = 267414732.

The previous prime is 401122081. The next prime is 401122121. The reversal of 401122101 is 101221104.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (401122081) and next prime (401122121).

It is not a de Polignac number, because 401122101 - 2¹¹ = 401120053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401122121) 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, 66853681 + ... + 66853686.

It is an arithmetic number, because the mean of its divisors is an integer number (133707368).

Almost surely, 2^401122101 is an apocalyptic number.

It is an amenable number.

401122101 is a deficient number, since it is larger than the sum of its proper divisors (133707371).

401122101 is a wasteful number, since it uses less digits than its factorization.

401122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133707370.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 401122101 is about 20028.0328789425. The cubic root of 401122101 is about 737.4946323846.

Adding to 401122101 its reverse (101221104), we get a palindrome (502343205).

The spelling of 401122101 in words is "four hundred one million, one hundred twenty-two thousand, one hundred one".