101011020022221 has 64 divisors (see below), whose sum is σ = 141685731532800. Its totient is φ = 63888997100544.

The previous prime is 101011020022219. The next prime is 101011020022229. The reversal of 101011020022221 is 122220020110101.

It is not a de Polignac number, because 101011020022221 - 2¹ = 101011020022219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101011020022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101011020022229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4420021831 + ... + 4420044683.

It is an arithmetic number, because the mean of its divisors is an integer number (2213839555200).

Almost surely, 2^{101011020022221} is an apocalyptic number.

It is an amenable number.

101011020022221 is a deficient number, since it is larger than the sum of its proper divisors (40674711510579).

101011020022221 is a wasteful number, since it uses less digits than its factorization.

101011020022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24170.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101011020022221 its reverse (122220020110101), we get a palindrome (223231040132322).

The spelling of 101011020022221 in words is "one hundred one trillion, eleven billion, twenty million, twenty-two thousand, two hundred twenty-one".