121002110022202 has 16 divisors (see below), whose sum is σ = 182116839761640. Its totient is φ = 60296841434368.

The previous prime is 121002110022161. The next prime is 121002110022377. The reversal of 121002110022202 is 202220011200121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45202641870681 + 75799468151521 = 6723291^2 + 8706289^2 .

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, 85463773 + ... + 86868064.

Almost surely, 2^{121002110022202} is an apocalyptic number.

121002110022202 is a deficient number, since it is larger than the sum of its proper divisors (61114729739438).

121002110022202 is a wasteful number, since it uses less digits than its factorization.

121002110022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172333025.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121002110022202 its reverse (202220011200121), we get a palindrome (323222121222323).

The spelling of 121002110022202 in words is "one hundred twenty-one trillion, two billion, one hundred ten million, twenty-two thousand, two hundred two".