20011000022122 has 16 divisors (see below), whose sum is σ = 30057125645952. Its totient is φ = 9991958724000.

The previous prime is 20011000022093. The next prime is 20011000022149. The reversal of 20011000022122 is 22122000011002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85282053 + ... + 85516375.

It is an arithmetic number, because the mean of its divisors is an integer number (1878570352872).

Almost surely, 2^{20011000022122} is an apocalyptic number.

20011000022122 is a deficient number, since it is larger than the sum of its proper divisors (10046125623830).

20011000022122 is a wasteful number, since it uses less digits than its factorization.

20011000022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291933.

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

Adding to 20011000022122 its reverse (22122000011002), we get a palindrome (42133000033124).

The spelling of 20011000022122 in words is "twenty trillion, eleven billion, twenty-two thousand, one hundred twenty-two".