111021012212001 has 8 divisors (see below), whose sum is σ = 148031537322720. Its totient is φ = 74012247621312.

The previous prime is 111021012211933. The next prime is 111021012212029. The reversal of 111021012212001 is 100212210120111.

It is a happy number.

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

It is not a de Polignac number, because 111021012212001 - 2³⁴ = 111003832342817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111021012214001) 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, 439982856 + ... + 440235113.

It is an arithmetic number, because the mean of its divisors is an integer number (18503942165340).

Almost surely, 2^{111021012212001} is an apocalyptic number.

It is an amenable number.

111021012212001 is a deficient number, since it is larger than the sum of its proper divisors (37010525110719).

111021012212001 is an equidigital number, since it uses as much as digits as its factorization.

111021012212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880260015.

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

Adding to 111021012212001 its reverse (100212210120111), we get a palindrome (211233222332112).

The spelling of 111021012212001 in words is "one hundred eleven trillion, twenty-one billion, twelve million, two hundred twelve thousand, one".