2121012022 has 16 divisors (see below), whose sum is σ = 3320893152. Its totient is φ = 1014076800.

The previous prime is 2121011927. The next prime is 2121012031. The reversal of 2121012022 is 2202101212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121011993 and 2121012011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209272 + ... + 219172.

It is an arithmetic number, because the mean of its divisors is an integer number (207555822).

Almost surely, 2^2121012022 is an apocalyptic number.

2121012022 is a deficient number, since it is larger than the sum of its proper divisors (1199881130).

2121012022 is a wasteful number, since it uses less digits than its factorization.

2121012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2121012022 is about 46054.4462782911. The cubic root of 2121012022 is about 1284.8360395808.

Adding to 2121012022 its reverse (2202101212), we get a palindrome (4323113234).

The spelling of 2121012022 in words is "two billion, one hundred twenty-one million, twelve thousand, twenty-two".