1222002221102 has 64 divisors (see below), whose sum is σ = 2043564816384. Its totient is φ = 544427170560.

The previous prime is 1222002221051. The next prime is 1222002221137. The reversal of 1222002221102 is 2011222002221.

It is a happy number.

It is a super-3 number, since 3×1222002221102³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145697753 + ... + 145706139.

It is an arithmetic number, because the mean of its divisors is an integer number (31930700256).

Almost surely, 2^{1222002221102} is an apocalyptic number.

1222002221102 is a deficient number, since it is larger than the sum of its proper divisors (821562595282).

1222002221102 is a wasteful number, since it uses less digits than its factorization.

1222002221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

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

Adding to 1222002221102 its reverse (2011222002221), we get a palindrome (3233224223323).

The spelling of 1222002221102 in words is "one trillion, two hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred two".