10221121022002 has 24 divisors (see below), whose sum is σ = 17584882314048. Its totient is φ = 4443965659320.

The previous prime is 10221121021973. The next prime is 10221121022017. The reversal of 10221121022002 is 20022012112201.

It is a happy number.

It is a super-2 number, since 2×10221121022002² (a number of 27 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 11 ways as a sum of consecutive naturals, for example, 918169158 + ... + 918180289.

It is an arithmetic number, because the mean of its divisors is an integer number (732703429752).

Almost surely, 2^{10221121022002} is an apocalyptic number.

10221121022002 is a deficient number, since it is larger than the sum of its proper divisors (7363761292046).

10221121022002 is a wasteful number, since it uses less digits than its factorization.

10221121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836349494 (or 1836349483 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10221121022002 its reverse (20022012112201), we get a palindrome (30243133134203).

The spelling of 10221121022002 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, two".