10002122021002 has 16 divisors (see below), whose sum is σ = 15071361114600. Its totient is φ = 4978342699200.

The previous prime is 10002122020949. The next prime is 10002122021009. The reversal of 10002122021002 is 20012022120001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9989841170241 + 12280850761 = 3160671^2 + 110819^2 .

It is not an unprimeable number, because it can be changed into a prime (10002122021009) by changing a digit.

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, 670252 + ... + 4522552.

Almost surely, 2^{10002122021002} is an apocalyptic number.

10002122021002 is a deficient number, since it is larger than the sum of its proper divisors (5069239093598).

10002122021002 is a wasteful number, since it uses less digits than its factorization.

10002122021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858201.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002122021002 its reverse (20012022120001), we get a palindrome (30014144141003).

The spelling of 10002122021002 in words is "ten trillion, two billion, one hundred twenty-two million, twenty-one thousand, two".