2002122021112 has 32 divisors (see below), whose sum is σ = 3856553615520. Its totient is φ = 973723386240.

The previous prime is 2002122021103. The next prime is 2002122021143. The reversal of 2002122021112 is 2111202212002.

It is a happy number.

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, 47293 + ... + 2001619.

It is an arithmetic number, because the mean of its divisors is an integer number (120517300485).

Almost surely, 2^{2002122021112} is an apocalyptic number.

It is an amenable number.

2002122021112 is a deficient number, since it is larger than the sum of its proper divisors (1854431594408).

2002122021112 is a wasteful number, since it uses less digits than its factorization.

2002122021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957831 (or 1957827 counting only the distinct ones).

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

Adding to 2002122021112 its reverse (2111202212002), we get a palindrome (4113324233114).

The spelling of 2002122021112 in words is "two trillion, two billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".