121100120202202 has 12 divisors (see below), whose sum is σ = 191713902204906. Its totient is φ = 57363214832280.

The previous prime is 121100120202199. The next prime is 121100120202223. The reversal of 121100120202202 is 202202021001121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 89335748194081 + 31764372008121 = 9451759^2 + 5635989^2 .

It is a super-2 number, since 2×121100120202202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83864348449 + ... + 83864349892.

Almost surely, 2^{121100120202202} is an apocalyptic number.

121100120202202 is a deficient number, since it is larger than the sum of its proper divisors (70613782002704).

121100120202202 is a wasteful number, since it uses less digits than its factorization.

121100120202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167728698381 (or 167728698362 counting only the distinct ones).

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

Adding to 121100120202202 its reverse (202202021001121), we get a palindrome (323302141203323).

The spelling of 121100120202202 in words is "one hundred twenty-one trillion, one hundred billion, one hundred twenty million, two hundred two thousand, two hundred two".