121201120021202 has 96 divisors (see below), whose sum is σ = 211421891930112. Its totient is φ = 51901146565632.

The previous prime is 121201120021187. The next prime is 121201120021217. The reversal of 121201120021202 is 202120021102121.

It is an interprime number because it is at equal distance from previous prime (121201120021187) and next prime (121201120021217).

It is a super-2 number, since 2×121201120021202² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114040553 + ... + 115098435.

It is an arithmetic number, because the mean of its divisors is an integer number (2202311374272).

Almost surely, 2^{121201120021202} is an apocalyptic number.

121201120021202 is a deficient number, since it is larger than the sum of its proper divisors (90220771908910).

121201120021202 is a wasteful number, since it uses less digits than its factorization.

121201120021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058212 (or 1058199 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121201120021202 its reverse (202120021102121), we get a palindrome (323321141123323).

The spelling of 121201120021202 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty million, twenty-one thousand, two hundred two".