201101201042 has 16 divisors (see below), whose sum is σ = 344755585152. Its totient is φ = 86183561760.

The previous prime is 201101200967. The next prime is 201101201051. The reversal of 201101201042 is 240102101102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286403 + ... + 695865.

It is an arithmetic number, because the mean of its divisors is an integer number (21547224072).

Almost surely, 2^201101201042 is an apocalyptic number.

201101201042 is a deficient number, since it is larger than the sum of its proper divisors (143654384110).

201101201042 is a wasteful number, since it uses less digits than its factorization.

201101201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444553.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201101201042 its reverse (240102101102), we get a palindrome (441203302144).

The spelling of 201101201042 in words is "two hundred one billion, one hundred one million, two hundred one thousand, forty-two".