201142121030 has 32 divisors (see below), whose sum is σ = 377826508800. Its totient is φ = 76952790112.

The previous prime is 201142121021. The next prime is 201142121057. The reversal of 201142121030 is 30121241102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4004411 + ... + 4054329.

It is an arithmetic number, because the mean of its divisors is an integer number (11807078400).

Almost surely, 2^201142121030 is an apocalyptic number.

201142121030 is a deficient number, since it is larger than the sum of its proper divisors (176684387770).

201142121030 is a wasteful number, since it uses less digits than its factorization.

201142121030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67468.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201142121030 its reverse (30121241102), we get a palindrome (231263362132).

The spelling of 201142121030 in words is "two hundred one billion, one hundred forty-two million, one hundred twenty-one thousand, thirty".