10202030121002 has 32 divisors (see below), whose sum is σ = 15627301423632. Its totient is φ = 4993968881664.

The previous prime is 10202030120959. The next prime is 10202030121077. The reversal of 10202030121002 is 20012103020201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8054987573161 + 2147042547841 = 2838131^2 + 1465279^2 .

It is a super-2 number, since 2×10202030121002² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399487178 + ... + 399512714.

Almost surely, 2^{10202030121002} is an apocalyptic number.

10202030121002 is a deficient number, since it is larger than the sum of its proper divisors (5425271302630).

10202030121002 is a wasteful number, since it uses less digits than its factorization.

10202030121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45722.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10202030121002 its reverse (20012103020201), we get a palindrome (30214133141203).

The spelling of 10202030121002 in words is "ten trillion, two hundred two billion, thirty million, one hundred twenty-one thousand, two".