10220212110989 has 2 divisors, whose sum is σ = 10220212110990. Its totient is φ = 10220212110988.

The previous prime is 10220212110943. The next prime is 10220212111027. The reversal of 10220212110989 is 98901121202201.

It is an a-pointer prime, because the next prime (10220212111027) can be obtained adding 10220212110989 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10088055868900 + 132156242089 = 3176170^2 + 363533^2 .

It is an emirp because it is prime and its reverse (98901121202201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10220212110989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10220212112989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110106055494 + 5110106055495.

It is an arithmetic number, because the mean of its divisors is an integer number (5110106055495).

Almost surely, 2^{10220212110989} is an apocalyptic number.

It is an amenable number.

10220212110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220212110989 is an equidigital number, since it uses as much as digits as its factorization.

10220212110989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 38.

The spelling of 10220212110989 in words is "ten trillion, two hundred twenty billion, two hundred twelve million, one hundred ten thousand, nine hundred eighty-nine".