101020220201 has 16 divisors (see below), whose sum is σ = 109741996800. Its totient is φ = 92701697088.

The previous prime is 101020220183. The next prime is 101020220207. The reversal of 101020220201 is 102022020101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101020220201 - 2¹⁰ = 101020219177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101020220207) 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, 377621 + ... + 587058.

It is an arithmetic number, because the mean of its divisors is an integer number (6858874800).

Almost surely, 2^101020220201 is an apocalyptic number.

It is an amenable number.

101020220201 is a deficient number, since it is larger than the sum of its proper divisors (8721776599).

101020220201 is a wasteful number, since it uses less digits than its factorization.

101020220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964888.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101020220201 its reverse (102022020101), we get a palindrome (203042240302).

The spelling of 101020220201 in words is "one hundred one billion, twenty million, two hundred twenty thousand, two hundred one".