200101021002 has 64 divisors (see below), whose sum is σ = 445994755200. Its totient is φ = 66501751680.

The previous prime is 200101020997. The next prime is 200101021007. The reversal of 200101021002 is 200120101002.

It is an interprime number because it is at equal distance from previous prime (200101020997) and next prime (200101021007).

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

It is not an unprimeable number, because it can be changed into a prime (200101021007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32182998 + ... + 32189214.

It is an arithmetic number, because the mean of its divisors is an integer number (6968668050).

Almost surely, 2^200101021002 is an apocalyptic number.

200101021002 is an abundant number, since it is smaller than the sum of its proper divisors (245893734198).

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

200101021002 is a wasteful number, since it uses less digits than its factorization.

200101021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908 (or 7902 counting only the distinct ones).

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

Adding to 200101021002 its reverse (200120101002), we get a palindrome (400221122004).

The spelling of 200101021002 in words is "two hundred billion, one hundred one million, twenty-one thousand, two".