10202121000002 has 32 divisors (see below), whose sum is σ = 16232208632640. Its totient is φ = 4792456775680.

The previous prime is 10202120999977. The next prime is 10202121000031. The reversal of 10202121000002 is 20000012120201.

It is a happy number.

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, 88378802 + ... + 88494162.

It is an arithmetic number, because the mean of its divisors is an integer number (507256519770).

Almost surely, 2^{10202121000002} is an apocalyptic number.

10202121000002 is a deficient number, since it is larger than the sum of its proper divisors (6030087632638).

10202121000002 is a wasteful number, since it uses less digits than its factorization.

10202121000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119986.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10202121000002 its reverse (20000012120201), we get a palindrome (30202133120203).

The spelling of 10202121000002 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two", and thus it is an aban number.