1202111022121 has 8 divisors (see below), whose sum is σ = 1202506000704. Its totient is φ = 1201716121200.

The previous prime is 1202111022103. The next prime is 1202111022137. The reversal of 1202111022121 is 1212201112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202111022121 - 2⁵ = 1202111022089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202111022095 and 1202111022104.

It is not an unprimeable number, because it can be changed into a prime (1202111028121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48232155 + ... + 48257071.

It is an arithmetic number, because the mean of its divisors is an integer number (150313250088).

Almost surely, 2^{1202111022121} is an apocalyptic number.

It is an amenable number.

1202111022121 is a deficient number, since it is larger than the sum of its proper divisors (394978583).

1202111022121 is an equidigital number, since it uses as much as digits as its factorization.

1202111022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38831.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1202111022121 its reverse (1212201112021), we get a palindrome (2414312134142).

The spelling of 1202111022121 in words is "one trillion, two hundred two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-one".