121001002120202 has 8 divisors (see below), whose sum is σ = 182441925477156. Its totient is φ = 60187026961152.

The previous prime is 121001002120183. The next prime is 121001002120213. The reversal of 121001002120202 is 202021200100121.

It can be written as a sum of positive squares in 2 ways, for example, as 95694156310921 + 25306845809281 = 9782339^2 + 5030591^2 .

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, 156737048993 + ... + 156737049764.

Almost surely, 2^{121001002120202} is an apocalyptic number.

121001002120202 is a deficient number, since it is larger than the sum of its proper divisors (61440923356954).

121001002120202 is a wasteful number, since it uses less digits than its factorization.

121001002120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313474098952.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121001002120202 its reverse (202021200100121), we get a palindrome (323022202220323).

The spelling of 121001002120202 in words is "one hundred twenty-one trillion, one billion, two million, one hundred twenty thousand, two hundred two".