111020001201011 has 32 divisors (see below), whose sum is σ = 132722213299200. Its totient is φ = 90798874657920.

The previous prime is 111020001201001. The next prime is 111020001201023. The reversal of 111020001201011 is 110102100020111.

It is not a de Polignac number, because 111020001201011 - 2⁶ = 111020001200947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111020001200983 and 111020001201001.

It is not an unprimeable number, because it can be changed into a prime (111020001201001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165940676 + ... + 166608366.

It is an arithmetic number, because the mean of its divisors is an integer number (4147569165600).

Almost surely, 2^{111020001201011} is an apocalyptic number.

111020001201011 is a deficient number, since it is larger than the sum of its proper divisors (21702212098189).

111020001201011 is a wasteful number, since it uses less digits than its factorization.

111020001201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670259.

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

Adding to 111020001201011 its reverse (110102100020111), we get a palindrome (221122101221122).

The spelling of 111020001201011 in words is "one hundred eleven trillion, twenty billion, one million, two hundred one thousand, eleven".