111021121010022 has 32 divisors (see below), whose sum is σ = 225612102086784. Its totient is φ = 36413317564800.

The previous prime is 111021121009999. The next prime is 111021121010039. The reversal of 111021121010022 is 220010121120111.

It is a happy number.

It is a super-3 number, since 3×111021121010022³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111021121009983 and 111021121010010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156383604 + ... + 157091927.

It is an arithmetic number, because the mean of its divisors is an integer number (7050378190212).

Almost surely, 2^{111021121010022} is an apocalyptic number.

111021121010022 is an abundant number, since it is smaller than the sum of its proper divisors (114590981076762).

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

111021121010022 is a wasteful number, since it uses less digits than its factorization.

111021121010022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313476484.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111021121010022 its reverse (220010121120111), we get a palindrome (331031242130133).

The spelling of 111021121010022 in words is "one hundred eleven trillion, twenty-one billion, one hundred twenty-one million, ten thousand, twenty-two".