1002011020122 has 64 divisors (see below), whose sum is σ = 2296361952000. Its totient is φ = 285532853760.

The previous prime is 1002011020117. The next prime is 1002011020159. The reversal of 1002011020122 is 2210201102001.

It is a junction number, because it is equal to n+sod(n) for n = 1002011020098 and 1002011020107.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 126051004 + ... + 126058952.

It is an arithmetic number, because the mean of its divisors is an integer number (35880655500).

Almost surely, 2^{1002011020122} is an apocalyptic number.

1002011020122 is an abundant number, since it is smaller than the sum of its proper divisors (1294350931878).

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

1002011020122 is a wasteful number, since it uses less digits than its factorization.

1002011020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002011020122 its reverse (2210201102001), we get a palindrome (3212212122123).

The spelling of 1002011020122 in words is "one trillion, two billion, eleven million, twenty thousand, one hundred twenty-two".