10101221011201 has 16 divisors (see below), whose sum is σ = 10651810111488. Its totient is φ = 9564791288400.

The previous prime is 10101221011153. The next prime is 10101221011213. The reversal of 10101221011201 is 10211012210101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10101221011201 - 2³¹ = 10099073527553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101221011241) 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, 4438626 + ... + 6316948.

It is an arithmetic number, because the mean of its divisors is an integer number (665738131968).

Almost surely, 2^{10101221011201} is an apocalyptic number.

It is an amenable number.

10101221011201 is a deficient number, since it is larger than the sum of its proper divisors (550589100287).

10101221011201 is a wasteful number, since it uses less digits than its factorization.

10101221011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882092.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101221011201 its reverse (10211012210101), we get a palindrome (20312233221302).

The spelling of 10101221011201 in words is "ten trillion, one hundred one billion, two hundred twenty-one million, eleven thousand, two hundred one".