121002101020202 has 16 divisors (see below), whose sum is σ = 185332485124872. Its totient is φ = 59236704979200.

The previous prime is 121002101020181. The next prime is 121002101020247. The reversal of 121002101020202 is 202020101200121.

It can be written as a sum of positive squares in 4 ways, for example, as 84669644995321 + 36332456024881 = 9201611^2 + 6027641^2 .

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, 3024730049 + ... + 3024770052.

Almost surely, 2^{121002101020202} is an apocalyptic number.

121002101020202 is a deficient number, since it is larger than the sum of its proper divisors (64330384104670).

121002101020202 is a wasteful number, since it uses less digits than its factorization.

121002101020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049500313.

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

Adding to 121002101020202 its reverse (202020101200121), we get a palindrome (323022202220323).

The spelling of 121002101020202 in words is "one hundred twenty-one trillion, two billion, one hundred one million, twenty thousand, two hundred two".