121102200212202 has 64 divisors (see below), whose sum is σ = 293865846635520. Its totient is φ = 36662042026800.

The previous prime is 121102200212171. The next prime is 121102200212207. The reversal of 121102200212202 is 202212002201121.

It is a happy number.

121102200212202 is a `hidden beast` number, since 1 + 21 + 10 + 220 + 0 + 212 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121102200212207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98260408 + ... + 99485235.

It is an arithmetic number, because the mean of its divisors is an integer number (4591653853680).

Almost surely, 2^{121102200212202} is an apocalyptic number.

121102200212202 is an abundant number, since it is smaller than the sum of its proper divisors (172763646423318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121102200212202 is a wasteful number, since it uses less digits than its factorization.

121102200212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197746696 (or 197746690 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121102200212202 its reverse (202212002201121), we get a palindrome (323314202413323).

The spelling of 121102200212202 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred million, two hundred twelve thousand, two hundred two".