102001012201 has 16 divisors (see below), whose sum is σ = 113184720000. Its totient is φ = 91138118400.

The previous prime is 102001012103. The next prime is 102001012301. The reversal of 102001012201 is 102210100201.

It is a cyclic number.

It is not a de Polignac number, because 102001012201 - 2⁹ = 102001011689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102001012301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827425 + ... + 942673.

It is an arithmetic number, because the mean of its divisors is an integer number (7074045000).

Almost surely, 2^102001012201 is an apocalyptic number.

102001012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102001012201 is a deficient number, since it is larger than the sum of its proper divisors (11183707799).

102001012201 is a wasteful number, since it uses less digits than its factorization.

102001012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116640.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001012201 its reverse (102210100201), we get a palindrome (204211112402).

The spelling of 102001012201 in words is "one hundred two billion, one million, twelve thousand, two hundred one".