1022212021002 has 32 divisors (see below), whose sum is σ = 2047000809984. Its totient is φ = 340308140400.

The previous prime is 1022212020971. The next prime is 1022212021007. The reversal of 1022212021002 is 2001202122201.

It is not an unprimeable number, because it can be changed into a prime (1022212021007) 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 15 ways as a sum of consecutive naturals, for example, 16475763 + ... + 16537689.

It is an arithmetic number, because the mean of its divisors is an integer number (63968775312).

Almost surely, 2^{1022212021002} is an apocalyptic number.

1022212021002 is an abundant number, since it is smaller than the sum of its proper divisors (1024788788982).

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

1022212021002 is a wasteful number, since it uses less digits than its factorization.

1022212021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65354.

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

Adding to 1022212021002 its reverse (2001202122201), we get a palindrome (3023414143203).

The spelling of 1022212021002 in words is "one trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, two".