1202202112221 has 96 divisors (see below), whose sum is σ = 1976234008320. Its totient is φ = 697573094400.

The previous prime is 1202202112157. The next prime is 1202202112231. The reversal of 1202202112221 is 1222112022021.

It is a happy number.

1202202112221 is a `hidden beast` number, since 12 + 0 + 220 + 211 + 2 + 221 = 666.

It is not a de Polignac number, because 1202202112221 - 2⁶ = 1202202112157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202202112194 and 1202202112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202202112231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177025336 + ... + 177032126.

It is an arithmetic number, because the mean of its divisors is an integer number (20585770920).

Almost surely, 2^{1202202112221} is an apocalyptic number.

1202202112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202202112221 is a deficient number, since it is larger than the sum of its proper divisors (774031896099).

1202202112221 is a wasteful number, since it uses less digits than its factorization.

1202202112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347 (or 7344 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202202112221 its reverse (1222112022021), we get a palindrome (2424314134242).

The spelling of 1202202112221 in words is "one trillion, two hundred two billion, two hundred two million, one hundred twelve thousand, two hundred twenty-one".