10001201022021 has 48 divisors (see below), whose sum is σ = 15430074672320. Its totient is φ = 5741860608000.

The previous prime is 10001201021969. The next prime is 10001201022049. The reversal of 10001201022021 is 12022010210001.

It is not a de Polignac number, because 10001201022021 - 2⁶ = 10001201021957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001201021988 and 10001201022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001201022061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99273351 + ... + 99374043.

Almost surely, 2^{10001201022021} is an apocalyptic number.

10001201022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10001201022021 is a deficient number, since it is larger than the sum of its proper divisors (5428873650299).

10001201022021 is a wasteful number, since it uses less digits than its factorization.

10001201022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115138 (or 115127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10001201022021 its reverse (12022010210001), we get a palindrome (22023211232022).

The spelling of 10001201022021 in words is "ten trillion, one billion, two hundred one million, twenty-two thousand, twenty-one".