121001010202 has 8 divisors (see below), whose sum is σ = 181510835796. Its totient is φ = 60497398272.

The previous prime is 121001010187. The next prime is 121001010227. The reversal of 121001010202 is 202010100121.

It can be written as a sum of positive squares in 2 ways, for example, as 105840259561 + 15160750641 = 325331^2 + 123129^2 .

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, 1504423 + ... + 1582810.

Almost surely, 2^121001010202 is an apocalyptic number.

121001010202 is a deficient number, since it is larger than the sum of its proper divisors (60509825594).

121001010202 is a wasteful number, since it uses less digits than its factorization.

121001010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106832.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121001010202 its reverse (202010100121), we get a palindrome (323011110323).

The spelling of 121001010202 in words is "one hundred twenty-one billion, one million, ten thousand, two hundred two".