11020101042 has 32 divisors (see below), whose sum is σ = 23204966400. Its totient is φ = 3479318928.

The previous prime is 11020101031. The next prime is 11020101047. The reversal of 11020101042 is 24010102011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11020101047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988423 + ... + 999509.

It is an arithmetic number, because the mean of its divisors is an integer number (725155200).

Almost surely, 2^11020101042 is an apocalyptic number.

11020101042 is an abundant number, since it is smaller than the sum of its proper divisors (12184865358).

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

11020101042 is a wasteful number, since it uses less digits than its factorization.

11020101042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19830.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020101042 its reverse (24010102011), we get a palindrome (35030203053).

The spelling of 11020101042 in words is "eleven billion, twenty million, one hundred one thousand, forty-two".