228928968944101 has 2 divisors, whose sum is σ = 228928968944102. Its totient is φ = 228928968944100.

The previous prime is 228928968944083. The next prime is 228928968944129. The reversal of 228928968944101 is 101449869829822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226691386763076 + 2237582181025 = 15056274^2 + 1495855^2 .

It is a cyclic number.

It is not a de Polignac number, because 228928968944101 - 2⁵ = 228928968944069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228928968944131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114464484472050 + 114464484472051.

It is an arithmetic number, because the mean of its divisors is an integer number (114464484472051).

Almost surely, 2^{228928968944101} is an apocalyptic number.

It is an amenable number.

228928968944101 is a deficient number, since it is larger than the sum of its proper divisors (1).

228928968944101 is an equidigital number, since it uses as much as digits as its factorization.

228928968944101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286654464, while the sum is 73.

The spelling of 228928968944101 in words is "two hundred twenty-eight trillion, nine hundred twenty-eight billion, nine hundred sixty-eight million, nine hundred forty-four thousand, one hundred one".