101021221201 has 32 divisors (see below), whose sum is σ = 111305134080. Its totient is φ = 91324843200.

The previous prime is 101021221193. The next prime is 101021221219. The reversal of 101021221201 is 102122120101.

It is a cyclic number.

It is not a de Polignac number, because 101021221201 - 2³ = 101021221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021221271) 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, 29966046 + ... + 29969416.

It is an arithmetic number, because the mean of its divisors is an integer number (3478285440).

Almost surely, 2^101021221201 is an apocalyptic number.

It is an amenable number.

101021221201 is a deficient number, since it is larger than the sum of its proper divisors (10283912879).

101021221201 is a wasteful number, since it uses less digits than its factorization.

101021221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

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

Adding to 101021221201 its reverse (102122120101), we get a palindrome (203143341302).

The spelling of 101021221201 in words is "one hundred one billion, twenty-one million, two hundred twenty-one thousand, two hundred one".