20201121122086 has 8 divisors (see below), whose sum is σ = 30307441379904. Its totient is φ = 10098640662120.

The previous prime is 20201121122047. The next prime is 20201121122087. The reversal of 20201121122086 is 68022112110202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201121122087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959936310 + ... + 959957353.

It is an arithmetic number, because the mean of its divisors is an integer number (3788430172488).

Almost surely, 2^{20201121122086} is an apocalyptic number.

20201121122086 is a deficient number, since it is larger than the sum of its proper divisors (10106320257818).

20201121122086 is a wasteful number, since it uses less digits than its factorization.

20201121122086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919898926.

The product of its (nonzero) digits is 1536, while the sum is 28.

Adding to 20201121122086 its reverse (68022112110202), we get a palindrome (88223233232288).

The spelling of 20201121122086 in words is "twenty trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-two thousand, eighty-six".