2122001002 has 32 divisors (see below), whose sum is σ = 3570594048. Its totient is φ = 937440000.

The previous prime is 2122000957. The next prime is 2122001009. The reversal of 2122001002 is 2001002212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122001002.

It is not an unprimeable number, because it can be changed into a prime (2122001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240102 + ... + 248782.

It is an arithmetic number, because the mean of its divisors is an integer number (111581064).

Almost surely, 2^2122001002 is an apocalyptic number.

2122001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2122001002 is a deficient number, since it is larger than the sum of its proper divisors (1448593046).

2122001002 is a wasteful number, since it uses less digits than its factorization.

2122001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2122001002 is about 46065.1821010186. The cubic root of 2122001002 is about 1285.0357052260.

Adding to 2122001002 its reverse (2001002212), we get a palindrome (4123003214).

It can be divided in two parts, 212 and 2001002, that multiplied together give a palindrome (424212424).

The spelling of 2122001002 in words is "two billion, one hundred twenty-two million, one thousand, two".