1002021010106 has 8 divisors (see below), whose sum is σ = 1506502720884. Its totient is φ = 499853436480.

The previous prime is 1002021010097. The next prime is 1002021010129. The reversal of 1002021010106 is 6010101202001.

It can be written as a sum of positive squares in 2 ways, for example, as 1000018000081 + 2003010025 = 1000009^2 + 44755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1002021010106² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578533205 + ... + 578534936.

Almost surely, 2^{1002021010106} is an apocalyptic number.

1002021010106 is a deficient number, since it is larger than the sum of its proper divisors (504481710778).

1002021010106 is a wasteful number, since it uses less digits than its factorization.

1002021010106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157068576.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1002021010106 its reverse (6010101202001), we get a palindrome (7012122212107).

The spelling of 1002021010106 in words is "one trillion, two billion, twenty-one million, ten thousand, one hundred six".