10220212223021 has 2 divisors, whose sum is σ = 10220212223022. Its totient is φ = 10220212223020.

The previous prime is 10220212223009. The next prime is 10220212223051. The reversal of 10220212223021 is 12032221202201.

10220212223021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7384322542921 + 2835889680100 = 2717411^2 + 1684010^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220212223021 - 2¹⁰ = 10220212221997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220212222984 and 10220212223002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220212223051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110106111510 + 5110106111511.

It is an arithmetic number, because the mean of its divisors is an integer number (5110106111511).

Almost surely, 2^{10220212223021} is an apocalyptic number.

It is an amenable number.

10220212223021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220212223021 is an equidigital number, since it uses as much as digits as its factorization.

10220212223021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10220212223021 its reverse (12032221202201), we get a palindrome (22252433425222).

The spelling of 10220212223021 in words is "ten trillion, two hundred twenty billion, two hundred twelve million, two hundred twenty-three thousand, twenty-one".