121012110202 has 8 divisors (see below), whose sum is σ = 181519648596. Its totient is φ = 60505560672.

The previous prime is 121012110181. The next prime is 121012110209. The reversal of 121012110202 is 202011210121.

It can be written as a sum of positive squares in 2 ways, for example, as 115852417641 + 5159692561 = 340371^2 + 71831^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121012110209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309118 + ... + 581014.

Almost surely, 2^121012110202 is an apocalyptic number.

121012110202 is a deficient number, since it is larger than the sum of its proper divisors (60507538394).

121012110202 is a wasteful number, since it uses less digits than its factorization.

121012110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494432.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121012110202 its reverse (202011210121), we get a palindrome (323023320323).

The spelling of 121012110202 in words is "one hundred twenty-one billion, twelve million, one hundred ten thousand, two hundred two".