111020002101001 has 16 divisors (see below), whose sum is σ = 132726690217728. Its totient is φ = 90795621312000.

The previous prime is 111020002100999. The next prime is 111020002101017. The reversal of 111020002101001 is 100101200020111.

It is a cyclic number.

It is not a de Polignac number, because 111020002101001 - 2¹ = 111020002100999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020002101091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859742460 + ... + 859871581.

It is an arithmetic number, because the mean of its divisors is an integer number (8295418138608).

Almost surely, 2^{111020002101001} is an apocalyptic number.

It is an amenable number.

111020002101001 is a deficient number, since it is larger than the sum of its proper divisors (21706688116727).

111020002101001 is a wasteful number, since it uses less digits than its factorization.

111020002101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719614472.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111020002101001 its reverse (100101200020111), we get a palindrome (211121202121112).

The spelling of 111020002101001 in words is "one hundred eleven trillion, twenty billion, two million, one hundred one thousand, one".