1022212121002 has 8 divisors (see below), whose sum is σ = 1537950563712. Its totient is φ = 509561933100.

The previous prime is 1022212120987. The next prime is 1022212121057. The reversal of 1022212121002 is 2001212122201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 772062874 + ... + 772064197.

It is an arithmetic number, because the mean of its divisors is an integer number (192243820464).

Almost surely, 2^{1022212121002} is an apocalyptic number.

1022212121002 is a deficient number, since it is larger than the sum of its proper divisors (515738442710).

1022212121002 is a wasteful number, since it uses less digits than its factorization.

1022212121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544127404.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1022212121002 its reverse (2001212122201), we get a palindrome (3023424243203).

The spelling of 1022212121002 in words is "one trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two".