2101022000542 has 16 divisors (see below), whose sum is σ = 3175663708800. Its totient is φ = 1042467800920.

The previous prime is 2101022000527. The next prime is 2101022000659. The reversal of 2101022000542 is 2450002201012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18161559 + ... + 18276877.

It is an arithmetic number, because the mean of its divisors is an integer number (198478981800).

Almost surely, 2^{2101022000542} is an apocalyptic number.

2101022000542 is a deficient number, since it is larger than the sum of its proper divisors (1074641708258).

2101022000542 is a wasteful number, since it uses less digits than its factorization.

2101022000542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184991.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 2101022000542 its reverse (2450002201012), we get a palindrome (4551024201554).

The spelling of 2101022000542 in words is "two trillion, one hundred one billion, twenty-two million, five hundred forty-two", and thus it is an aban number.