111021000101012 has 12 divisors (see below), whose sum is σ = 194706375990336. Its totient is φ = 55390606960920.

The previous prime is 111021000100999. The next prime is 111021000101017. The reversal of 111021000101012 is 210101000120111.

It is a junction number, because it is equal to n+sod(n) for n = 111021000100984 and 111021000101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021000101017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29973270314 + ... + 29973274017.

It is an arithmetic number, because the mean of its divisors is an integer number (16225531332528).

Almost surely, 2^{111021000101012} is an apocalyptic number.

It is an amenable number.

111021000101012 is a deficient number, since it is larger than the sum of its proper divisors (83685375889324).

111021000101012 is a wasteful number, since it uses less digits than its factorization.

111021000101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59946544798 (or 59946544796 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111021000101012 its reverse (210101000120111), we get a palindrome (321122000221123).

The spelling of 111021000101012 in words is "one hundred eleven trillion, twenty-one billion, one hundred one thousand, twelve".