10021001212201 has 16 divisors (see below), whose sum is σ = 11488231931904. Its totient is φ = 8562698901504.

The previous prime is 10021001212121. The next prime is 10021001212223. The reversal of 10021001212201 is 10221210012001.

It is a cyclic number.

It is not a de Polignac number, because 10021001212201 - 2³¹ = 10018853728553 is a prime.

It is a super-2 number, since 2×10021001212201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10021001212301) 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, 8287665 + ... + 9419521.

It is an arithmetic number, because the mean of its divisors is an integer number (718014495744).

Almost surely, 2^{10021001212201} is an apocalyptic number.

It is an amenable number.

10021001212201 is a deficient number, since it is larger than the sum of its proper divisors (1467230719703).

10021001212201 is a wasteful number, since it uses less digits than its factorization.

10021001212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135800.

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

Adding to 10021001212201 its reverse (10221210012001), we get a palindrome (20242211224202).

The spelling of 10021001212201 in words is "ten trillion, twenty-one billion, one million, two hundred twelve thousand, two hundred one".