111002212209 has 32 divisors (see below), whose sum is σ = 170530963456. Its totient is φ = 62910872640.

The previous prime is 111002212183. The next prime is 111002212229. The reversal of 111002212209 is 902212200111.

It is not a de Polignac number, because 111002212209 - 2¹¹ = 111002210161 is a prime.

It is a super-2 number, since 2×111002212209² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111002212229) 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, 16721439 + ... + 16728075.

It is an arithmetic number, because the mean of its divisors is an integer number (5329092608).

Almost surely, 2^111002212209 is an apocalyptic number.

It is an amenable number.

111002212209 is a deficient number, since it is larger than the sum of its proper divisors (59528751247).

111002212209 is a wasteful number, since it uses less digits than its factorization.

111002212209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 111002212209 in words is "one hundred eleven billion, two million, two hundred twelve thousand, two hundred nine".