121220111022202 has 8 divisors (see below), whose sum is σ = 181850878504800. Its totient is φ = 60603151520604.

The previous prime is 121220111022181. The next prime is 121220111022211. The reversal of 121220111022202 is 202220111022121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121220111022202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3451973302 + ... + 3452008417.

It is an arithmetic number, because the mean of its divisors is an integer number (22731359813100).

Almost surely, 2^{121220111022202} is an apocalyptic number.

121220111022202 is a deficient number, since it is larger than the sum of its proper divisors (60630767482598).

121220111022202 is an equidigital number, since it uses as much as digits as its factorization.

121220111022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6903990500.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121220111022202 its reverse (202220111022121), we get a palindrome (323440222044323).

The spelling of 121220111022202 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, twenty-two thousand, two hundred two".