20122121202022 has 16 divisors (see below), whose sum is σ = 34495374811680. Its totient is φ = 8623688755968.

The previous prime is 20122121202013. The next prime is 20122121202037. The reversal of 20122121202022 is 22020212122102.

It is a congruent 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, 4827933 + ... + 7972024.

It is an arithmetic number, because the mean of its divisors is an integer number (2155960925730).

Almost surely, 2^{20122121202022} is an apocalyptic number.

20122121202022 is a deficient number, since it is larger than the sum of its proper divisors (14373253609658).

20122121202022 is a wasteful number, since it uses less digits than its factorization.

20122121202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912255.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20122121202022 its reverse (22020212122102), we get a palindrome (42142333324124).

The spelling of 20122121202022 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, twenty-two".