20010101120122 has 8 divisors (see below), whose sum is σ = 30020631914196. Its totient is φ = 10003223815392.

The previous prime is 20010101120081. The next prime is 20010101120147. The reversal of 20010101120122 is 22102110101002.

It can be written as a sum of positive squares in 2 ways, for example, as 11002893677721 + 9007207442401 = 3317061^2 + 3001201^2 .

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

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, 913358643 + ... + 913380550.

Almost surely, 2^{20010101120122} is an apocalyptic number.

20010101120122 is a deficient number, since it is larger than the sum of its proper divisors (10010530794074).

20010101120122 is a wasteful number, since it uses less digits than its factorization.

20010101120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826744672.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20010101120122 its reverse (22102110101002), we get a palindrome (42112211221124).

The spelling of 20010101120122 in words is "twenty trillion, ten billion, one hundred one million, one hundred twenty thousand, one hundred twenty-two".