1002020012222 has 4 divisors (see below), whose sum is σ = 1503030018336. Its totient is φ = 501010006110.

The previous prime is 1002020012219. The next prime is 1002020012291. The reversal of 1002020012222 is 2222100202001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1002020012197 and 1002020012206.

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 as a sum of consecutive naturals, namely, 250505003054 + ... + 250505003057.

It is an arithmetic number, because the mean of its divisors is an integer number (375757504584).

Almost surely, 2^{1002020012222} is an apocalyptic number.

1002020012222 is a deficient number, since it is larger than the sum of its proper divisors (501010006114).

1002020012222 is an equidigital number, since it uses as much as digits as its factorization.

1002020012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501010006113.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1002020012222 its reverse (2222100202001), we get a palindrome (3224120214223).

It can be divided in two parts, 100202001 and 2222, that multiplied together give a palindrome (222648846222).

The spelling of 1002020012222 in words is "one trillion, two billion, twenty million, twelve thousand, two hundred twenty-two".