201102342142 has 32 divisors (see below), whose sum is σ = 334706178240. Its totient is φ = 90041952000.

The previous prime is 201102342121. The next prime is 201102342149. The reversal of 201102342142 is 241243201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102342149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697234 + ... + 942517.

It is an arithmetic number, because the mean of its divisors is an integer number (10459568070).

Almost surely, 2^201102342142 is an apocalyptic number.

201102342142 is a deficient number, since it is larger than the sum of its proper divisors (133603836098).

201102342142 is a wasteful number, since it uses less digits than its factorization.

201102342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639908.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201102342142 its reverse (241243201102), we get a palindrome (442345543244).

The spelling of 201102342142 in words is "two hundred one billion, one hundred two million, three hundred forty-two thousand, one hundred forty-two".