1002121202022 has 64 divisors (see below), whose sum is σ = 2113494508800. Its totient is φ = 316319794560.

The previous prime is 1002121202011. The next prime is 1002121202029. The reversal of 1002121202022 is 2202021212001.

It is a junction number, because it is equal to n+sod(n) for n = 1002121201992 and 1002121202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002121202029) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2481997 + ... + 2857367.

It is an arithmetic number, because the mean of its divisors is an integer number (33023351700).

Almost surely, 2^{1002121202022} is an apocalyptic number.

1002121202022 is an abundant number, since it is smaller than the sum of its proper divisors (1111373306778).

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

1002121202022 is a wasteful number, since it uses less digits than its factorization.

1002121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375701.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1002121202022 its reverse (2202021212001), we get a palindrome (3204142414023).

The spelling of 1002121202022 in words is "one trillion, two billion, one hundred twenty-one million, two hundred two thousand, twenty-two".