101200022021 has 8 divisors (see below), whose sum is σ = 116718243840. Its totient is φ = 85947069168.

The previous prime is 101200022017. The next prime is 101200022039. The reversal of 101200022021 is 120220002101.

It is a happy number.

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 101200022021 - 2² = 101200022017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101200021993 and 101200022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200022321) 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, 66316421 + ... + 66317946.

It is an arithmetic number, because the mean of its divisors is an integer number (14589780480).

Almost surely, 2^101200022021 is an apocalyptic number.

It is an amenable number.

101200022021 is a deficient number, since it is larger than the sum of its proper divisors (15518221819).

101200022021 is a wasteful number, since it uses less digits than its factorization.

101200022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132634483.

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

Adding to 101200022021 its reverse (120220002101), we get a palindrome (221420024122).

The spelling of 101200022021 in words is "one hundred one billion, two hundred million, twenty-two thousand, twenty-one".