102011212049 has 2 divisors, whose sum is σ = 102011212050. Its totient is φ = 102011212048.

The previous prime is 102011212031. The next prime is 102011212073. The reversal of 102011212049 is 940212110201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52741419025 + 49269793024 = 229655^2 + 221968^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011212049 - 2³² = 97716244753 is a prime.

It is not a weakly prime, because it can be changed into another prime (102011212349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005606024 + 51005606025.

It is an arithmetic number, because the mean of its divisors is an integer number (51005606025).

Almost surely, 2^102011212049 is an apocalyptic number.

It is an amenable number.

102011212049 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011212049 is an equidigital number, since it uses as much as digits as its factorization.

102011212049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 102011212049 in words is "one hundred two billion, eleven million, two hundred twelve thousand, forty-nine".