1000002102201 has 24 divisors (see below), whose sum is σ = 1446058164096. Its totient is φ = 665924931360.

The previous prime is 1000002102193. The next prime is 1000002102301. The reversal of 1000002102201 is 1022012000001.

1000002102201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000002102201 - 2³ = 1000002102193 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 (1000002102301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95661291 + ... + 95671743.

It is an arithmetic number, because the mean of its divisors is an integer number (60252423504).

Almost surely, 2^{1000002102201} is an apocalyptic number.

It is an amenable number.

1000002102201 is a deficient number, since it is larger than the sum of its proper divisors (446056061895).

1000002102201 is a wasteful number, since it uses less digits than its factorization.

1000002102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21293 (or 21290 counting only the distinct ones).

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

Adding to 1000002102201 its reverse (1022012000001), we get a palindrome (2022014102202).

The spelling of 1000002102201 in words is "one trillion, two million, one hundred two thousand, two hundred one".