20000022122011 has 16 divisors (see below), whose sum is σ = 20150301304224. Its totient is φ = 19850239309824.

The previous prime is 20000022121949. The next prime is 20000022122063. The reversal of 20000022122011 is 11022122000002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20000022122011 - 2¹¹ = 20000022119963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000022121982 and 20000022122000.

It is not an unprimeable number, because it can be changed into a prime (20000022822011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606835545 + ... + 606868501.

It is an arithmetic number, because the mean of its divisors is an integer number (1259393831514).

Almost surely, 2^{20000022122011} is an apocalyptic number.

20000022122011 is a deficient number, since it is larger than the sum of its proper divisors (150279182213).

20000022122011 is a wasteful number, since it uses less digits than its factorization.

20000022122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40350.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20000022122011 its reverse (11022122000002), we get a palindrome (31022144122013).

The spelling of 20000022122011 in words is "twenty trillion, twenty-two million, one hundred twenty-two thousand, eleven".