20010101220110 has 8 divisors (see below), whose sum is σ = 36018182196216. Its totient is φ = 8004040488040.

The previous prime is 20010101220077. The next prime is 20010101220157. The reversal of 20010101220110 is 1102210101002.

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 = 20010101220091 and 20010101220100.

It is a congruent number.

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, 1000505060996 + ... + 1000505061015.

It is an arithmetic number, because the mean of its divisors is an integer number (4502272774527).

Almost surely, 2^{20010101220110} is an apocalyptic number.

20010101220110 is a deficient number, since it is larger than the sum of its proper divisors (16008080976106).

20010101220110 is a wasteful number, since it uses less digits than its factorization.

20010101220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001010122018.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20010101220110 its reverse (1102210101002), we get a palindrome (21112311321112).

The spelling of 20010101220110 in words is "twenty trillion, ten billion, one hundred one million, two hundred twenty thousand, one hundred ten".