10021221221119 has 32 divisors (see below), whose sum is σ = 10377330350400. Its totient is φ = 9670034368512.

The previous prime is 10021221221071. The next prime is 10021221221149. The reversal of 10021221221119 is 91112212212001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021221221119 is a prime.

It is a super-2 number, since 2×10021221221119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10021221221093 and 10021221221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021221221149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304256557 + ... + 2304260905.

It is an arithmetic number, because the mean of its divisors is an integer number (324291573450).

Almost surely, 2^{10021221221119} is an apocalyptic number.

10021221221119 is a deficient number, since it is larger than the sum of its proper divisors (356109129281).

10021221221119 is a wasteful number, since it uses less digits than its factorization.

10021221221119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 10021221221119 in words is "ten trillion, twenty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred nineteen".