10202121222002 has 16 divisors (see below), whose sum is σ = 15437798737152. Its totient is φ = 5056334236800.

The previous prime is 10202121221989. The next prime is 10202121222043. The reversal of 10202121222002 is 20022212120201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36341663 + ... + 36621314.

It is an arithmetic number, because the mean of its divisors is an integer number (964862421072).

Almost surely, 2^{10202121222002} is an apocalyptic number.

10202121222002 is a deficient number, since it is larger than the sum of its proper divisors (5235677515150).

10202121222002 is a wasteful number, since it uses less digits than its factorization.

10202121222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72963593.

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

Adding to 10202121222002 its reverse (20022212120201), we get a palindrome (30224333342203).

The spelling of 10202121222002 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, two".