111021211122101 has 8 divisors (see below), whose sum is σ = 126891660530880. Its totient is φ = 95153330811168.

The previous prime is 111021211122091. The next prime is 111021211122161. The reversal of 111021211122101 is 101221112120111.

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

It is not a de Polignac number, because 111021211122101 - 2¹⁰ = 111021211121077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111021211122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021211122161) 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, 642181856 + ... + 642354713.

It is an arithmetic number, because the mean of its divisors is an integer number (15861457566360).

Almost surely, 2^{111021211122101} is an apocalyptic number.

It is an amenable number.

111021211122101 is a deficient number, since it is larger than the sum of its proper divisors (15870449408779).

111021211122101 is a wasteful number, since it uses less digits than its factorization.

111021211122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284548923.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111021211122101 its reverse (101221112120111), we get a palindrome (212242323242212).

The spelling of 111021211122101 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, one hundred twenty-two thousand, one hundred one".