111021211210099 has 32 divisors (see below), whose sum is σ = 122005379010240. Its totient is φ = 100610868621312.

The previous prime is 111021211210097. The next prime is 111021211210121. The reversal of 111021211210099 is 990012112120111.

It is a cyclic number.

It is not a de Polignac number, because 111021211210099 - 2¹ = 111021211210097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111021211210099.

It is not an unprimeable number, because it can be changed into a prime (111021211210097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12160327 + ... + 19233199.

It is an arithmetic number, because the mean of its divisors is an integer number (3812668094070).

Almost surely, 2^{111021211210099} is an apocalyptic number.

111021211210099 is a deficient number, since it is larger than the sum of its proper divisors (10984167800141).

111021211210099 is a wasteful number, since it uses less digits than its factorization.

111021211210099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073239.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 111021211210099 in words is "one hundred eleven trillion, twenty-one billion, two hundred eleven million, two hundred ten thousand, ninety-nine".