20011120120122 has 16 divisors (see below), whose sum is σ = 40197009851040. Its totient is φ = 6641245104912.

The previous prime is 20011120120073. The next prime is 20011120120127. The reversal of 20011120120122 is 22102102111002.

It is not an unprimeable number, because it can be changed into a prime (20011120120127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7282065628 + ... + 7282068375.

It is an arithmetic number, because the mean of its divisors is an integer number (2512313115690).

Almost surely, 2^{20011120120122} is an apocalyptic number.

20011120120122 is an abundant number, since it is smaller than the sum of its proper divisors (20185889730918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011120120122 is a wasteful number, since it uses less digits than its factorization.

20011120120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14564134237.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011120120122 its reverse (22102102111002), we get a palindrome (42113222231124).

The spelling of 20011120120122 in words is "twenty trillion, eleven billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-two".