111201001022212 has 24 divisors (see below), whose sum is σ = 201326315987160. Its totient is φ = 53679466149120.

The previous prime is 111201001022171. The next prime is 111201001022249. The reversal of 111201001022212 is 212220100102111.

It can be written as a sum of positive squares in 4 ways, for example, as 2305222743616 + 108895778278596 = 1518296^2 + 10435314^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32055073 + ... + 35354344.

It is an arithmetic number, because the mean of its divisors is an integer number (8388596499465).

Almost surely, 2^{111201001022212} is an apocalyptic number.

It is an amenable number.

111201001022212 is a deficient number, since it is larger than the sum of its proper divisors (90125314964948).

111201001022212 is a wasteful number, since it uses less digits than its factorization.

111201001022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67423671 (or 67423669 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111201001022212 its reverse (212220100102111), we get a palindrome (323421101124323).

The spelling of 111201001022212 in words is "one hundred eleven trillion, two hundred one billion, one million, twenty-two thousand, two hundred twelve".