201201101021002 has 8 divisors (see below), whose sum is σ = 301811235977700. Its totient is φ = 100597355695104.

The previous prime is 201201101020963. The next prime is 201201101021003. The reversal of 201201101021002 is 200120101102102.

It can be written as a sum of positive squares in 2 ways, for example, as 193679855105881 + 7521245915121 = 13916891^2 + 2742489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (201201101021003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597328977 + ... + 1597454932.

Almost surely, 2^{201201101021002} is an apocalyptic number.

201201101021002 is a deficient number, since it is larger than the sum of its proper divisors (100610134956698).

201201101021002 is a wasteful number, since it uses less digits than its factorization.

201201101021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194815400.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201201101021002 its reverse (200120101102102), we get a palindrome (401321202123104).

The spelling of 201201101021002 in words is "two hundred one trillion, two hundred one billion, one hundred one million, twenty-one thousand, two".