1020101002 has 8 divisors (see below), whose sum is σ = 1530288036. Its totient is φ = 510004992.

The previous prime is 1020100981. The next prime is 1020101003. The reversal of 1020101002 is 2001010201.

It can be written as a sum of positive squares in 2 ways, for example, as 966650281 + 53450721 = 31091^2 + 7311^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1020101003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27178 + ... + 52714.

Almost surely, 2^1020101002 is an apocalyptic number.

1020101002 is a deficient number, since it is larger than the sum of its proper divisors (510187034).

1020101002 is a wasteful number, since it uses less digits than its factorization.

1020101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45512.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1020101002 is about 31939.0200538464. The cubic root of 1020101002 is about 1006.6559342501.

Adding to 1020101002 its reverse (2001010201), we get a palindrome (3021111203).

The spelling of 1020101002 in words is "one billion, twenty million, one hundred one thousand, two".