111022020001212 has 48 divisors (see below), whose sum is σ = 260653037672832. Its totient is φ = 36778553340480.

The previous prime is 111022020001187. The next prime is 111022020001223. The reversal of 111022020001212 is 212100020220111.

It is a junction number, because it is equal to n+sod(n) for n = 111022020001191 and 111022020001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40150738 + ... + 42826694.

It is an arithmetic number, because the mean of its divisors is an integer number (5430271618184).

Almost surely, 2^{111022020001212} is an apocalyptic number.

111022020001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111022020001212 is an abundant number, since it is smaller than the sum of its proper divisors (149631017671620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111022020001212 is a wasteful number, since it uses less digits than its factorization.

111022020001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697338 (or 2697336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022020001212 its reverse (212100020220111), we get a palindrome (323122040221323).

The spelling of 111022020001212 in words is "one hundred eleven trillion, twenty-two billion, twenty million, one thousand, two hundred twelve".