2151003101442 has 64 divisors (see below), whose sum is σ = 4641143754240. Its totient is φ = 660674536704.

The previous prime is 2151003101441. The next prime is 2151003101461. The reversal of 2151003101442 is 2441013001512.

It is not an unprimeable number, because it can be changed into a prime (2151003101441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 146929159 + ... + 146943797.

It is an arithmetic number, because the mean of its divisors is an integer number (72517871160).

Almost surely, 2^{2151003101442} is an apocalyptic number.

2151003101442 is an abundant number, since it is smaller than the sum of its proper divisors (2490140652798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2151003101442 is a wasteful number, since it uses less digits than its factorization.

2151003101442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17867.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 2151003101442 its reverse (2441013001512), we get a palindrome (4592016102954).

The spelling of 2151003101442 in words is "two trillion, one hundred fifty-one billion, three million, one hundred one thousand, four hundred forty-two".