10001201002142 has 16 divisors (see below), whose sum is σ = 17379777868512. Its totient is φ = 4227513534720.

The previous prime is 10001201002123. The next prime is 10001201002157. The reversal of 10001201002142 is 24120010210001.

It is a happy number.

It is a super-2 number, since 2×10001201002142² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892954459 + ... + 4892956502.

It is an arithmetic number, because the mean of its divisors is an integer number (1086236116782).

Almost surely, 2^{10001201002142} is an apocalyptic number.

10001201002142 is a deficient number, since it is larger than the sum of its proper divisors (7378576866370).

10001201002142 is an equidigital number, since it uses as much as digits as its factorization.

10001201002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785911043.

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

Adding to 10001201002142 its reverse (24120010210001), we get a palindrome (34121211212143).

The spelling of 10001201002142 in words is "ten trillion, one billion, two hundred one million, two thousand, one hundred forty-two".