1202222010121 has 4 divisors (see below), whose sum is σ = 1311514920144. Its totient is φ = 1092929100100.

The previous prime is 1202222010037. The next prime is 1202222010133. The reversal of 1202222010121 is 1210102222021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1202222010121 - 2⁷ = 1202222009993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202222010095 and 1202222010104.

It is not an unprimeable number, because it can be changed into a prime (1202222010151) 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 3 ways as a sum of consecutive naturals, for example, 54646454995 + ... + 54646455016.

It is an arithmetic number, because the mean of its divisors is an integer number (327878730036).

Almost surely, 2^{1202222010121} is an apocalyptic number.

1202222010121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1202222010121 is a deficient number, since it is larger than the sum of its proper divisors (109292910023).

1202222010121 is a wasteful number, since it uses less digits than its factorization.

1202222010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109292910022.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202222010121 its reverse (1210102222021), we get a palindrome (2412324232142).

The spelling of 1202222010121 in words is "one trillion, two hundred two billion, two hundred twenty-two million, ten thousand, one hundred twenty-one".