121021101202 has 16 divisors (see below), whose sum is σ = 196679986272. Its totient is φ = 55626661440.

The previous prime is 121021101199. The next prime is 121021101211. The reversal of 121021101202 is 202101120121.

It is a super-2 number, since 2×121021101202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41387424 + ... + 41390347.

It is an arithmetic number, because the mean of its divisors is an integer number (12292499142).

Almost surely, 2^121021101202 is an apocalyptic number.

121021101202 is a deficient number, since it is larger than the sum of its proper divisors (75658885070).

121021101202 is a wasteful number, since it uses less digits than its factorization.

121021101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82777833.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121021101202 its reverse (202101120121), we get a palindrome (323122221323).

The spelling of 121021101202 in words is "one hundred twenty-one billion, twenty-one million, one hundred one thousand, two hundred two".