121220021002202 has 8 divisors (see below), whose sum is σ = 182074755639456. Its totient is φ = 60528435789052.

The previous prime is 121220021002183. The next prime is 121220021002207. The reversal of 121220021002202 is 202200120022121.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (121220021002207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40787354168 + ... + 40787357139.

It is an arithmetic number, because the mean of its divisors is an integer number (22759344454932).

Almost surely, 2^{121220021002202} is an apocalyptic number.

121220021002202 is a deficient number, since it is larger than the sum of its proper divisors (60854734637254).

121220021002202 is an equidigital number, since it uses as much as digits as its factorization.

121220021002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81574712052.

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

Adding to 121220021002202 its reverse (202200120022121), we get a palindrome (323420141024323).

The spelling of 121220021002202 in words is "one hundred twenty-one trillion, two hundred twenty billion, twenty-one million, two thousand, two hundred two".