101202222001021 has 8 divisors (see below), whose sum is σ = 108359285951160. Its totient is φ = 94178934947328.

The previous prime is 101202222001007. The next prime is 101202222001037. The reversal of 101202222001021 is 120100222202101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30888462792121 + 70313759208900 = 5557739^2 + 8385330^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101202222001021 - 2²⁹ = 101201685130109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202222000986 and 101202222001004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202222061021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33444222546 + ... + 33444225571.

It is an arithmetic number, because the mean of its divisors is an integer number (13544910743895).

Almost surely, 2^{101202222001021} is an apocalyptic number.

It is an amenable number.

101202222001021 is a deficient number, since it is larger than the sum of its proper divisors (7157063950139).

101202222001021 is an equidigital number, since it uses as much as digits as its factorization.

101202222001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66888448223.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101202222001021 its reverse (120100222202101), we get a palindrome (221302444203122).

The spelling of 101202222001021 in words is "one hundred one trillion, two hundred two billion, two hundred twenty-two million, one thousand, twenty-one".