10221021112101 has 32 divisors (see below), whose sum is σ = 13870327571328. Its totient is φ = 6693669964800.

The previous prime is 10221021112097. The next prime is 10221021112111. The reversal of 10221021112101 is 10121112012201.

It is a happy number.

It is not a de Polignac number, because 10221021112101 - 2² = 10221021112097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221021112111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54652051 + ... + 54838751.

It is an arithmetic number, because the mean of its divisors is an integer number (433447736604).

Almost surely, 2^{10221021112101} is an apocalyptic number.

It is an amenable number.

10221021112101 is a deficient number, since it is larger than the sum of its proper divisors (3649306459227).

10221021112101 is a wasteful number, since it uses less digits than its factorization.

10221021112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187781.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10221021112101 its reverse (10121112012201), we get a palindrome (20342133124302).

The spelling of 10221021112101 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, one hundred twelve thousand, one hundred one".