111201001022012 has 144 divisors (see below), whose sum is σ = 227089668960000. Its totient is φ = 47445388362240.

The previous prime is 111201001022011. The next prime is 111201001022051. The reversal of 111201001022012 is 210220100102111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111201001022011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12783189239 + ... + 12783197937.

It is an arithmetic number, because the mean of its divisors is an integer number (1577011590000).

Almost surely, 2^{111201001022012} is an apocalyptic number.

It is an amenable number.

111201001022012 is an abundant number, since it is smaller than the sum of its proper divisors (115888667937988).

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

111201001022012 is a wasteful number, since it uses less digits than its factorization.

111201001022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720 (or 12707 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111201001022012 its reverse (210220100102111), we get a palindrome (321421101124123).

The spelling of 111201001022012 in words is "one hundred eleven trillion, two hundred one billion, one million, twenty-two thousand, twelve".