2121012201022 has 32 divisors (see below), whose sum is σ = 3790371884544. Its totient is φ = 877400882400.

The previous prime is 2121012201019. The next prime is 2121012201043. The reversal of 2121012201022 is 2201022101212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121012200987 and 2121012201005.

It is a congruent number.

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, 52205938 + ... + 52246549.

It is an arithmetic number, because the mean of its divisors is an integer number (118449121392).

Almost surely, 2^{2121012201022} is an apocalyptic number.

2121012201022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2121012201022 is a deficient number, since it is larger than the sum of its proper divisors (1669359683522).

2121012201022 is a wasteful number, since it uses less digits than its factorization.

2121012201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104452584.

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

Adding to 2121012201022 its reverse (2201022101212), we get a palindrome (4322034302234).

The spelling of 2121012201022 in words is "two trillion, one hundred twenty-one billion, twelve million, two hundred one thousand, twenty-two".