101000021222021 has 8 divisors (see below), whose sum is σ = 101021303222784. Its totient is φ = 100978740023920.

The previous prime is 101000021221961. The next prime is 101000021222117. The reversal of 101000021222021 is 120222120000101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000021222021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000021221987 and 101000021222005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000021282021) 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, 297302960 + ... + 297642486.

It is an arithmetic number, because the mean of its divisors is an integer number (12627662902848).

Almost surely, 2^{101000021222021} is an apocalyptic number.

It is an amenable number.

101000021222021 is a deficient number, since it is larger than the sum of its proper divisors (21282000763).

101000021222021 is an equidigital number, since it uses as much as digits as its factorization.

101000021222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401331.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101000021222021 its reverse (120222120000101), we get a palindrome (221222141222122).

The spelling of 101000021222021 in words is "one hundred one trillion, twenty-one million, two hundred twenty-two thousand, twenty-one".