20120011102 has 4 divisors (see below), whose sum is σ = 30180016656. Its totient is φ = 10060005550.

The previous prime is 20120011099. The next prime is 20120011111. The reversal of 20120011102 is 20111002102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20111002102 = 2 ⋅10055501051.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5030002774 + ... + 5030002777.

It is an arithmetic number, because the mean of its divisors is an integer number (7545004164).

Almost surely, 2^20120011102 is an apocalyptic number.

20120011102 is a deficient number, since it is larger than the sum of its proper divisors (10060005554).

20120011102 is a wasteful number, since it uses less digits than its factorization.

20120011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060005553.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20120011102 its reverse (20111002102), we get a palindrome (40231013204).

The spelling of 20120011102 in words is "twenty billion, one hundred twenty million, eleven thousand, one hundred two".