102220201249 has 2 divisors, whose sum is σ = 102220201250. Its totient is φ = 102220201248.

The previous prime is 102220201177. The next prime is 102220201261. The reversal of 102220201249 is 942102022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95406854400 + 6813346849 = 308880^2 + 82543^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220201249 - 2⁹ = 102220200737 is a prime.

It is a super-2 number, since 2×102220201249² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102220201049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110100624 + 51110100625.

It is an arithmetic number, because the mean of its divisors is an integer number (51110100625).

Almost surely, 2^102220201249 is an apocalyptic number.

It is an amenable number.

102220201249 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220201249 is an equidigital number, since it uses as much as digits as its factorization.

102220201249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 102220201249 in words is "one hundred two billion, two hundred twenty million, two hundred one thousand, two hundred forty-nine".