10021222210021 has 8 divisors (see below), whose sum is σ = 11575315494144. Its totient is φ = 8574307773120.

The previous prime is 10021222210009. The next prime is 10021222210039. The reversal of 10021222210021 is 12001222212001.

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 10021222210021 - 2⁷ = 10021222209893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021222209977 and 10021222210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222210091) 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, 26794711605 + ... + 26794711978.

It is an arithmetic number, because the mean of its divisors is an integer number (1446914436768).

Almost surely, 2^{10021222210021} is an apocalyptic number.

10021222210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10021222210021 is a deficient number, since it is larger than the sum of its proper divisors (1554093284123).

10021222210021 is a wasteful number, since it uses less digits than its factorization.

10021222210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53589423611.

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

Adding to 10021222210021 its reverse (12001222212001), we get a palindrome (22022444422022).

The spelling of 10021222210021 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred ten thousand, twenty-one".