111022112102021 has 8 divisors (see below), whose sum is σ = 111060337093464. Its totient is φ = 110983887936000.

The previous prime is 111022112101969. The next prime is 111022112102051. The reversal of 111022112102021 is 120201211220111.

It can be written as a sum of positive squares in 4 ways, for example, as 7208204736100 + 103813907365921 = 2684810^2 + 10188911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111022112102021 - 2¹⁴ = 111022112085637 is a prime.

It is a super-2 number, since 2×111022112102021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111022112102051) 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, 403055675 + ... + 403331031.

It is an arithmetic number, because the mean of its divisors is an integer number (13882542136683).

Almost surely, 2^{111022112102021} is an apocalyptic number.

It is an amenable number.

111022112102021 is a deficient number, since it is larger than the sum of its proper divisors (38224991443).

111022112102021 is a wasteful number, since it uses less digits than its factorization.

111022112102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412711.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111022112102021 its reverse (120201211220111), we get a palindrome (231223323322132).

The spelling of 111022112102021 in words is "one hundred eleven trillion, twenty-two billion, one hundred twelve million, one hundred two thousand, twenty-one".