1022121112202 has 16 divisors (see below), whose sum is σ = 1623391113600. Its totient is φ = 480991566528.

The previous prime is 1022121112109. The next prime is 1022121112223. The reversal of 1022121112202 is 2022111212201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052049 + ... + 3370347.

It is an arithmetic number, because the mean of its divisors is an integer number (101461944600).

Almost surely, 2^{1022121112202} is an apocalyptic number.

1022121112202 is a deficient number, since it is larger than the sum of its proper divisors (601270001398).

1022121112202 is a wasteful number, since it uses less digits than its factorization.

1022121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412765.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022121112202 its reverse (2022111212201), we get a palindrome (3044232324403).

Subtracting 1022121112202 from its reverse (2022111212201), we obtain a palindrome (999990099999).

The spelling of 1022121112202 in words is "one trillion, twenty-two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".