121002020202122 has 32 divisors (see below), whose sum is σ = 189482567500800. Its totient is φ = 57885561993600.

The previous prime is 121002020202101. The next prime is 121002020202181. The reversal of 121002020202122 is 221202020200121.

It is a happy number.

It is a super-2 number, since 2×121002020202122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121002020202122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52850579 + ... + 55092537.

It is an arithmetic number, because the mean of its divisors is an integer number (5921330234400).

Almost surely, 2^{121002020202122} is an apocalyptic number.

121002020202122 is a deficient number, since it is larger than the sum of its proper divisors (68480547298678).

121002020202122 is a wasteful number, since it uses less digits than its factorization.

121002020202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251862.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121002020202122 its reverse (221202020200121), we get a palindrome (342204040402243).

The spelling of 121002020202122 in words is "one hundred twenty-one trillion, two billion, twenty million, two hundred two thousand, one hundred twenty-two".