1002122021112 has 64 divisors (see below), whose sum is σ = 2523358656000. Its totient is φ = 331639701120.

The previous prime is 1002122021101. The next prime is 1002122021123. The reversal of 1002122021112 is 2111202212001.

It is an interprime number because it is at equal distance from previous prime (1002122021101) and next prime (1002122021123).

It is a junction number, because it is equal to n+sod(n) for n = 1002122021091 and 1002122021100.

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 15 ways as a sum of consecutive naturals, for example, 2409493 + ... + 2794619.

It is an arithmetic number, because the mean of its divisors is an integer number (39427479000).

Almost surely, 2^{1002122021112} is an apocalyptic number.

1002122021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002122021112 is an abundant number, since it is smaller than the sum of its proper divisors (1521236634888).

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

1002122021112 is a wasteful number, since it uses less digits than its factorization.

1002122021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385916 (or 385912 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002122021112 its reverse (2111202212001), we get a palindrome (3113324233113).

The spelling of 1002122021112 in words is "one trillion, two billion, one hundred twenty-two million, twenty-one thousand, one hundred twelve".