2121121002022 has 16 divisors (see below), whose sum is σ = 3590612355600. Its totient is φ = 930899499040.

The previous prime is 2121121001981. The next prime is 2121121002031. The reversal of 2121121002022 is 2202001211212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121121001987 and 2121121002005.

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, 1662319897 + ... + 1662321172.

It is an arithmetic number, because the mean of its divisors is an integer number (224413272225).

Almost surely, 2^{2121121002022} is an apocalyptic number.

2121121002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121121002022 is a deficient number, since it is larger than the sum of its proper divisors (1469491353578).

2121121002022 is a wasteful number, since it uses less digits than its factorization.

2121121002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324641111.

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

Adding to 2121121002022 its reverse (2202001211212), we get a palindrome (4323122213234).

The spelling of 2121121002022 in words is "two trillion, one hundred twenty-one billion, one hundred twenty-one million, two thousand, twenty-two".