101010012122221 has 4 divisors (see below), whose sum is σ = 101013880633344. Its totient is φ = 101006143611100.

The previous prime is 101010012122213. The next prime is 101010012122231. The reversal of 101010012122221 is 122221210010101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101010012122221 - 2³ = 101010012122213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101010012122195 and 101010012122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010012122231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934216395 + ... + 1934268616.

It is an arithmetic number, because the mean of its divisors is an integer number (25253470158336).

Almost surely, 2^{101010012122221} is an apocalyptic number.

It is an amenable number.

101010012122221 is a deficient number, since it is larger than the sum of its proper divisors (3868511123).

101010012122221 is an equidigital number, since it uses as much as digits as its factorization.

101010012122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868511122.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101010012122221 its reverse (122221210010101), we get a palindrome (223231222132322).

The spelling of 101010012122221 in words is "one hundred one trillion, ten billion, twelve million, one hundred twenty-two thousand, two hundred twenty-one".