20122022012121 has 24 divisors (see below), whose sum is σ = 30160363411360. Its totient is φ = 13406343802272.

The previous prime is 20122022012111. The next prime is 20122022012137. The reversal of 20122022012121 is 12121022022102.

It is a happy number.

20122022012121 is a `hidden beast` number, since 201 + 220 + 2 + 201 + 21 + 21 = 666.

It is not a de Polignac number, because 20122022012121 - 2¹⁴ = 20122021995737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20122022012094 and 20122022012103.

It is not an unprimeable number, because it can be changed into a prime (20122022012111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25341355 + ... + 26123328.

Almost surely, 2^{20122022012121} is an apocalyptic number.

It is an amenable number.

20122022012121 is a deficient number, since it is larger than the sum of its proper divisors (10038341399239).

20122022012121 is an equidigital number, since it uses as much as digits as its factorization.

20122022012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51466307 (or 51466295 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20122022012121 its reverse (12121022022102), we get a palindrome (32243044034223).

The spelling of 20122022012121 in words is "twenty trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, one hundred twenty-one".