121220122111202 has 8 divisors (see below), whose sum is σ = 192526076294316. Its totient is φ = 57044763346432.

The previous prime is 121220122111183. The next prime is 121220122111211. The reversal of 121220122111202 is 202111221022121.

It can be written as a sum of positive squares in 2 ways, for example, as 97206407767561 + 24013714343641 = 9859331^2 + 4900379^2 .

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

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, 1782648854543 + ... + 1782648854610.

Almost surely, 2^{121220122111202} is an apocalyptic number.

121220122111202 is a deficient number, since it is larger than the sum of its proper divisors (71305954183114).

121220122111202 is a wasteful number, since it uses less digits than its factorization.

121220122111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565297709172.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121220122111202 its reverse (202111221022121), we get a palindrome (323331343133323).

The spelling of 121220122111202 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".