20021202011122 has 32 divisors (see below), whose sum is σ = 32407616029824. Its totient is φ = 9221806281600.

The previous prime is 20021202011119. The next prime is 20021202011201. The reversal of 20021202011122 is 22111020212002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20021202011096 and 20021202011105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30595723 + ... + 31243249.

It is an arithmetic number, because the mean of its divisors is an integer number (1012738000932).

Almost surely, 2^{20021202011122} is an apocalyptic number.

20021202011122 is a deficient number, since it is larger than the sum of its proper divisors (12386414018702).

20021202011122 is a wasteful number, since it uses less digits than its factorization.

20021202011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649954.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20021202011122 its reverse (22111020212002), we get a palindrome (42132222223124).

The spelling of 20021202011122 in words is "twenty trillion, twenty-one billion, two hundred two million, eleven thousand, one hundred twenty-two".