210022112220077 has 2 divisors, whose sum is σ = 210022112220078. Its totient is φ = 210022112220076.

The previous prime is 210022112219993. The next prime is 210022112220163. The reversal of 210022112220077 is 770022211220012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209274819399556 + 747292820521 = 14466334^2 + 864461^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022112220077 - 2¹⁶ = 210022112154541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210022112220577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011056110038 + 105011056110039.

It is an arithmetic number, because the mean of its divisors is an integer number (105011056110039).

Almost surely, 2^{210022112220077} is an apocalyptic number.

It is an amenable number.

210022112220077 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022112220077 is an equidigital number, since it uses as much as digits as its factorization.

210022112220077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

Adding to 210022112220077 its reverse (770022211220012), we get a palindrome (980044323440089).

The spelling of 210022112220077 in words is "two hundred ten trillion, twenty-two billion, one hundred twelve million, two hundred twenty thousand, seventy-seven".