121111120212202 has 8 divisors (see below), whose sum is σ = 181668725160516. Its totient is φ = 60554878492032.

The previous prime is 121111120212191. The next prime is 121111120212209. The reversal of 121111120212202 is 202212021111121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72200385520561 + 48910734691641 = 8497081^2 + 6993621^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121111120212202.

It is not an unprimeable number, because it can be changed into a prime (121111120212209) 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, 340584903 + ... + 340940314.

Almost surely, 2^{121111120212202} is an apocalyptic number.

121111120212202 is a deficient number, since it is larger than the sum of its proper divisors (60557604948314).

121111120212202 is an equidigital number, since it uses as much as digits as its factorization.

121111120212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681614072.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121111120212202 its reverse (202212021111121), we get a palindrome (323323141323323).

The spelling of 121111120212202 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twenty million, two hundred twelve thousand, two hundred two".