111020210212112 has 10 divisors (see below), whose sum is σ = 215101657285998. Its totient is φ = 55510105106048.

The previous prime is 111020210212103. The next prime is 111020210212157. The reversal of 111020210212112 is 211212012020111.

It can be written as a sum of positive squares in only one way, i.e., 80387793173776 + 30632417038336 = 8965924^2 + 5534656^2 .

It is a super-2 number, since 2×111020210212112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469381569113 + ... + 3469381569144.

Almost surely, 2^{111020210212112} is an apocalyptic number.

It is an amenable number.

111020210212112 is a deficient number, since it is larger than the sum of its proper divisors (104081447073886).

111020210212112 is an equidigital number, since it uses as much as digits as its factorization.

111020210212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6938763138265 (or 6938763138259 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111020210212112 its reverse (211212012020111), we get a palindrome (322232222232223).

The spelling of 111020210212112 in words is "one hundred eleven trillion, twenty billion, two hundred ten million, two hundred twelve thousand, one hundred twelve".