201142106015 has 4 divisors (see below), whose sum is σ = 241370527224. Its totient is φ = 160913684808.

The previous prime is 201142106003. The next prime is 201142106041. The reversal of 201142106015 is 510601241102.

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 201142106015 - 2³⁴ = 183962236831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20114210597 + ... + 20114210606.

It is an arithmetic number, because the mean of its divisors is an integer number (60342631806).

Almost surely, 2^201142106015 is an apocalyptic number.

201142106015 is a deficient number, since it is larger than the sum of its proper divisors (40228421209).

201142106015 is an equidigital number, since it uses as much as digits as its factorization.

201142106015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40228421208.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 201142106015 its reverse (510601241102), we get a palindrome (711743347117).

The spelling of 201142106015 in words is "two hundred one billion, one hundred forty-two million, one hundred six thousand, fifteen".