1000201020102 has 40 divisors (see below), whose sum is σ = 2338634277936. Its totient is φ = 318904671888.

The previous prime is 1000201020067. The next prime is 1000201020103. The reversal of 1000201020102 is 2010201020001.

It is a super-2 number, since 2×1000201020102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000201020103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 134215413 + ... + 134222864.

Almost surely, 2^{1000201020102} is an apocalyptic number.

1000201020102 is an abundant number, since it is smaller than the sum of its proper divisors (1338433257834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000201020102 is a wasteful number, since it uses less digits than its factorization.

1000201020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268438314 (or 268438305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000201020102 its reverse (2010201020001), we get a palindrome (3010402040103).

The spelling of 1000201020102 in words is "one trillion, two hundred one million, twenty thousand, one hundred two".