111121010001022 has 16 divisors (see below), whose sum is σ = 198775471306752. Its totient is φ = 45552712174200.

The previous prime is 111121010001011. The next prime is 111121010001083. The reversal of 111121010001022 is 220100010121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111121010000993 and 111121010001011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172548151854 + ... + 172548152497.

It is an arithmetic number, because the mean of its divisors is an integer number (12423466956672).

Almost surely, 2^{111121010001022} is an apocalyptic number.

111121010001022 is a deficient number, since it is larger than the sum of its proper divisors (87654461305730).

111121010001022 is a wasteful number, since it uses less digits than its factorization.

111121010001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345096304383.

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

Adding to 111121010001022 its reverse (220100010121111), we get a palindrome (331221020122133).

The spelling of 111121010001022 in words is "one hundred eleven trillion, one hundred twenty-one billion, ten million, one thousand, twenty-two".