111122002102021 has 8 divisors (see below), whose sum is σ = 112654963404864. Its totient is φ = 109589331126240.

The previous prime is 111122002101991. The next prime is 111122002102049. The reversal of 111122002102021 is 120201200221111.

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 111122002102021 - 2⁴³ = 102325909079813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111122002101986 and 111122002102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122002102121) 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, 71810935 + ... + 73342036.

It is an arithmetic number, because the mean of its divisors is an integer number (14081870425608).

Almost surely, 2^{111122002102021} is an apocalyptic number.

It is an amenable number.

111122002102021 is a deficient number, since it is larger than the sum of its proper divisors (1532961302843).

111122002102021 is a wasteful number, since it uses less digits than its factorization.

111122002102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145163531.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111122002102021 its reverse (120201200221111), we get a palindrome (231323202323132).

The spelling of 111122002102021 in words is "one hundred eleven trillion, one hundred twenty-two billion, two million, one hundred two thousand, twenty-one".