20111101102 has 8 divisors (see below), whose sum is σ = 30661187112. Its totient is φ = 9890705400.

The previous prime is 20111101069. The next prime is 20111101103. The reversal of 20111101102 is 20110111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20111101102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82422424 + ... + 82422667.

It is an arithmetic number, because the mean of its divisors is an integer number (3832648389).

Almost surely, 2^20111101102 is an apocalyptic number.

20111101102 is a deficient number, since it is larger than the sum of its proper divisors (10550086010).

20111101102 is a wasteful number, since it uses less digits than its factorization.

20111101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164845154.

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

Adding to 20111101102 its reverse (20110111102), we get a palindrome (40221212204).

The spelling of 20111101102 in words is "twenty billion, one hundred eleven million, one hundred one thousand, one hundred two".