121222001002 has 4 divisors (see below), whose sum is σ = 181833001506. Its totient is φ = 60611000500.

The previous prime is 121222000969. The next prime is 121222001081. The reversal of 121222001002 is 200100222121.

It is a happy number.

121222001002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120409694001 + 812307001 = 347001^2 + 28501^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30305500249 + ... + 30305500252.

Almost surely, 2^121222001002 is an apocalyptic number.

121222001002 is a deficient number, since it is larger than the sum of its proper divisors (60611000504).

121222001002 is an equidigital number, since it uses as much as digits as its factorization.

121222001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60611000503.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121222001002 its reverse (200100222121), we get a palindrome (321322223123).

The spelling of 121222001002 in words is "one hundred twenty-one billion, two hundred twenty-two million, one thousand, two".