20011101122122 has 8 divisors (see below), whose sum is σ = 32745438199872. Its totient is φ = 9095955055500.

The previous prime is 20011101122119. The next prime is 20011101122183. The reversal of 20011101122122 is 22122110111002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20011101122096 and 20011101122105.

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, 454797752754 + ... + 454797752797.

It is an arithmetic number, because the mean of its divisors is an integer number (4093179774984).

Almost surely, 2^{20011101122122} is an apocalyptic number.

20011101122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011101122122 is a deficient number, since it is larger than the sum of its proper divisors (12734337077750).

20011101122122 is a wasteful number, since it uses less digits than its factorization.

20011101122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909595505564.

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

Adding to 20011101122122 its reverse (22122110111002), we get a palindrome (42133211233124).

The spelling of 20011101122122 in words is "twenty trillion, eleven billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-two".