2135522102442 has 16 divisors (see below), whose sum is σ = 4288766382912. Its totient is φ = 708887004480.

The previous prime is 2135522102429. The next prime is 2135522102521. The reversal of 2135522102442 is 2442012255312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738422518 + ... + 738425409.

It is an arithmetic number, because the mean of its divisors is an integer number (268047898932).

Almost surely, 2^{2135522102442} is an apocalyptic number.

2135522102442 is an abundant number, since it is smaller than the sum of its proper divisors (2153244280470).

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

2135522102442 is a wasteful number, since it uses less digits than its factorization.

2135522102442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476848173.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 2135522102442 its reverse (2442012255312), we get a palindrome (4577534357754).

The spelling of 2135522102442 in words is "two trillion, one hundred thirty-five billion, five hundred twenty-two million, one hundred two thousand, four hundred forty-two".