10001021111122 has 16 divisors (see below), whose sum is σ = 15199475860800. Its totient is φ = 4934894706000.

The previous prime is 10001021111119. The next prime is 10001021111129. The reversal of 10001021111122 is 22111112010001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10001021111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91332222 + ... + 91441657.

It is an arithmetic number, because the mean of its divisors is an integer number (949967241300).

Almost surely, 2^{10001021111122} is an apocalyptic number.

10001021111122 is a deficient number, since it is larger than the sum of its proper divisors (5198454749678).

10001021111122 is a wasteful number, since it uses less digits than its factorization.

10001021111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182774241.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10001021111122 its reverse (22111112010001), we get a palindrome (32112133121123).

The spelling of 10001021111122 in words is "ten trillion, one billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".