2215020502642 has 16 divisors (see below), whose sum is σ = 3347150275872. Its totient is φ = 1099305519520.

The previous prime is 2215020502633. The next prime is 2215020502693. The reversal of 2215020502642 is 2462050205122.

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, 2082417 + ... + 2960827.

It is an arithmetic number, because the mean of its divisors is an integer number (209196892242).

Almost surely, 2^{2215020502642} is an apocalyptic number.

2215020502642 is a deficient number, since it is larger than the sum of its proper divisors (1132129773230).

2215020502642 is a wasteful number, since it uses less digits than its factorization.

2215020502642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887753.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2215020502642 its reverse (2462050205122), we get a palindrome (4677070707764).

The spelling of 2215020502642 in words is "two trillion, two hundred fifteen billion, twenty million, five hundred two thousand, six hundred forty-two".