111220010211012 has 24 divisors (see below), whose sum is σ = 273171954904800. Its totient is φ = 35122108487616.

The previous prime is 111220010211007. The next prime is 111220010211019. The reversal of 111220010211012 is 210112010022111.

It is a happy number.

It is a super-2 number, since 2×111220010211012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111220010210982 and 111220010211000.

It is not an unprimeable number, because it can be changed into a prime (111220010211019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243903530937 + ... + 243903531392.

It is an arithmetic number, because the mean of its divisors is an integer number (11382164787700).

Almost surely, 2^{111220010211012} is an apocalyptic number.

111220010211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111220010211012 is an abundant number, since it is smaller than the sum of its proper divisors (161951944693788).

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

111220010211012 is a wasteful number, since it uses less digits than its factorization.

111220010211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487807062355 (or 487807062353 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111220010211012 its reverse (210112010022111), we get a palindrome (321332020233123).

The spelling of 111220010211012 in words is "one hundred eleven trillion, two hundred twenty billion, ten million, two hundred eleven thousand, twelve".