200102201001 has 12 divisors (see below), whose sum is σ = 290332643328. Its totient is φ = 132803253144.

The previous prime is 200102200943. The next prime is 200102201009. The reversal of 200102201001 is 100102201002.

It is not a de Polignac number, because 200102201001 - 2¹⁹ = 200101676713 is a prime.

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 (200102201009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49849065 + ... + 49853078.

It is an arithmetic number, because the mean of its divisors is an integer number (24194386944).

Almost surely, 2^200102201001 is an apocalyptic number.

It is an amenable number.

200102201001 is a deficient number, since it is larger than the sum of its proper divisors (90230442327).

200102201001 is a wasteful number, since it uses less digits than its factorization.

200102201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99702372 (or 99702369 counting only the distinct ones).

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

Adding to 200102201001 its reverse (100102201002), we get a palindrome (300204402003).

Subtracting from 200102201001 its reverse (100102201002), we obtain a palindrome (99999999999).

The spelling of 200102201001 in words is "two hundred billion, one hundred two million, two hundred one thousand, one".