1022100212222 has 32 divisors (see below), whose sum is σ = 1574238910464. Its totient is φ = 497477635200.

The previous prime is 1022100212191. The next prime is 1022100212239. The reversal of 1022100212222 is 2222120012201.

It is a happy number.

It is a super-3 number, since 3×1022100212222³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022100212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15566822 + ... + 15632342.

It is an arithmetic number, because the mean of its divisors is an integer number (49194965952).

Almost surely, 2^{1022100212222} is an apocalyptic number.

1022100212222 is a deficient number, since it is larger than the sum of its proper divisors (552138698242).

1022100212222 is a wasteful number, since it uses less digits than its factorization.

1022100212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66464.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022100212222 its reverse (2222120012201), we get a palindrome (3244220224423).

The spelling of 1022100212222 in words is "one trillion, twenty-two billion, one hundred million, two hundred twelve thousand, two hundred twenty-two".