201401011 has 4 divisors (see below), whose sum is σ = 230172592. Its totient is φ = 172629432.

The previous prime is 201400993. The next prime is 201401059. The reversal of 201401011 is 110104102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201401011 - 2¹¹ = 201398963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201401611) 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, 14385780 + ... + 14385793.

It is an arithmetic number, because the mean of its divisors is an integer number (57543148).

Almost surely, 2^201401011 is an apocalyptic number.

201401011 is a deficient number, since it is larger than the sum of its proper divisors (28771581).

201401011 is an equidigital number, since it uses as much as digits as its factorization.

201401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28771580.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 201401011 is about 14191.5823994366. The cubic root of 201401011 is about 586.1658984683.

Adding to 201401011 its reverse (110104102), we get a palindrome (311505113).

The spelling of 201401011 in words is "two hundred one million, four hundred one thousand, eleven".