111002120021101 has 8 divisors (see below), whose sum is σ = 111126071556864. Its totient is φ = 110878234616160.

The previous prime is 111002120021099. The next prime is 111002120021113. The reversal of 111002120021101 is 101120021200111.

It is a happy number.

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 111002120021101 - 2¹ = 111002120021099 is a prime.

It is a super-2 number, since 2×111002120021101² (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 (111002120021141) 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, 13173405 + ... + 19888258.

It is an arithmetic number, because the mean of its divisors is an integer number (13890758944608).

Almost surely, 2^{111002120021101} is an apocalyptic number.

It is an amenable number.

111002120021101 is a deficient number, since it is larger than the sum of its proper divisors (123951535763).

111002120021101 is a wasteful number, since it uses less digits than its factorization.

111002120021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33065411.

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

Adding to 111002120021101 its reverse (101120021200111), we get a palindrome (212122141221212).

The spelling of 111002120021101 in words is "one hundred eleven trillion, two billion, one hundred twenty million, twenty-one thousand, one hundred one".