20112111120202 has 8 divisors (see below), whose sum is σ = 30230113635936. Its totient is φ = 10035406574892.

The previous prime is 20112111120181. The next prime is 20112111120259. The reversal of 20112111120202 is 20202111121102.

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

It is a super-2 number, since 2×20112111120202² (a number of 27 digits) contains 22 as substring.

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, 10324491388 + ... + 10324493335.

It is an arithmetic number, because the mean of its divisors is an integer number (3778764204492).

Almost surely, 2^{20112111120202} is an apocalyptic number.

20112111120202 is a deficient number, since it is larger than the sum of its proper divisors (10118002515734).

20112111120202 is a wasteful number, since it uses less digits than its factorization.

20112111120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648985212.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112111120202 its reverse (20202111121102), we get a palindrome (40314222241304).

The spelling of 20112111120202 in words is "twenty trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred two".