2002121121112 has 64 divisors (see below), whose sum is σ = 4519989043200. Its totient is φ = 812184537600.

The previous prime is 2002121121107. The next prime is 2002121121137. The reversal of 2002121121112 is 2111211212002.

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, 407248 + ... + 2042080.

It is an arithmetic number, because the mean of its divisors is an integer number (70624828800).

Almost surely, 2^{2002121121112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002121121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2259994521600).

2002121121112 is an abundant number, since it is smaller than the sum of its proper divisors (2517867922088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002121121112 is a wasteful number, since it uses less digits than its factorization.

2002121121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636016 (or 1636012 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2002121121112 its reverse (2111211212002), we get a palindrome (4113332333114).

The spelling of 2002121121112 in words is "two trillion, two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".