121002012202010 has 16 divisors (see below), whose sum is σ = 217805070750696. Its totient is φ = 48400482928128.

The previous prime is 121002012201977. The next prime is 121002012202111. The reversal of 121002012202010 is 10202210200121.

It can be written as a sum of positive squares in 4 ways, for example, as 89102819846041 + 31899192355969 = 9439429^2 + 5647937^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38662607 + ... + 41674946.

Almost surely, 2^{121002012202010} is an apocalyptic number.

121002012202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002012202010 is a deficient number, since it is larger than the sum of its proper divisors (96803058548686).

121002012202010 is a wasteful number, since it uses less digits than its factorization.

121002012202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80488177.

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

Adding to 121002012202010 its reverse (10202210200121), we get a palindrome (131204222402131).

The spelling of 121002012202010 in words is "one hundred twenty-one trillion, two billion, twelve million, two hundred two thousand, ten".