111020100101012 has 12 divisors (see below), whose sum is σ = 200984663976180. Its totient is φ = 53595910393536.

The previous prime is 111020100100981. The next prime is 111020100101039. The reversal of 111020100101012 is 210101001020111.

It can be written as a sum of positive squares in 2 ways, for example, as 75850408497796 + 35169691603216 = 8709214^2 + 5930404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111020100100984 and 111020100101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478534914113 + ... + 478534914344.

It is an arithmetic number, because the mean of its divisors is an integer number (16748721998015).

Almost surely, 2^{111020100101012} is an apocalyptic number.

It is an amenable number.

111020100101012 is a deficient number, since it is larger than the sum of its proper divisors (89964563875168).

111020100101012 is a wasteful number, since it uses less digits than its factorization.

111020100101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957069828490 (or 957069828488 counting only the distinct ones).

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

Adding to 111020100101012 its reverse (210101001020111), we get a palindrome (321121101121123).

The spelling of 111020100101012 in words is "one hundred eleven trillion, twenty billion, one hundred million, one hundred one thousand, twelve".